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Study sets matching "chirality"

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Study sets matching "chirality"

10 terms
Chirality
chiral centers/compounds
achiral centers/compounds
meso compounds
Isomers can be split into
non-superimposable mirror-image molecules with same chemical…
superimposable mirror-image molecules that are identical; ena…
Multiple chirality centers, never achiral; reflection all sym…
Constitutional isomers and stereoisomers
chiral centers/compounds
non-superimposable mirror-image molecules with same chemical…
achiral centers/compounds
superimposable mirror-image molecules that are identical; ena…
26 terms
Chirality
Chiral
Enantiomers
Enantiomers
Chiral Carbon
They are mirror images of one another
Structures that are like a mirror-image.
Chiral
They are mirror images of one another
Enantiomers
30 terms
chirality
mirror images
superposable
nonsuperposable
chiral
the mirror of an original molecule along with a ball-and-stic…
the mirror image and the original represent the same molecule
the mirror image and the original represent the different mol…
objects that are not superposable on their mirror image
mirror images
the mirror of an original molecule along with a ball-and-stic…
superposable
the mirror image and the original represent the same molecule
28 terms
Chirality
Stereochemistry
Constitutional Isomers
Stereoisomers
Achiral
the study of the three-dimensional structure of molecules
compounds with the same molecular formula but a different con…
A pair of molecules having the same structural formula and bo…
-Has a plane of symmetry... -Superimposable to its mirror image
Stereochemistry
the study of the three-dimensional structure of molecules
Constitutional Isomers
compounds with the same molecular formula but a different con…
15 terms
chirality
chiral
chiral center
enantiomers
stereogenic
chiral object has nonsuperimposable mirror image... =mirror imag…
=asymmetric center causes chirality... =atom bonded to 4 differe…
=chiral image and mirror image... =chiral molecules only have on…
central c in general chiral molecule of c(w,x,y,z)
chiral
chiral object has nonsuperimposable mirror image... =mirror imag…
chiral center
=asymmetric center causes chirality... =atom bonded to 4 differe…
51 terms
Chirality
Stereoisomers
Constitutional isomers
Isomers
Nonsuperimposable mirror images
have the same molecular formula, maintain the same connectivi…
are isomers which have the same molecular formula but differ…
are compounds with the same molecular formula but not identic…
a mirror image that is not the same as the image itself - chi…
Stereoisomers
have the same molecular formula, maintain the same connectivi…
Constitutional isomers
are isomers which have the same molecular formula but differ…
13 terms
Chirality
Stereoisomer
Stereocentre
Constitutional Isomer
Achiral
Same connectivity; any compound with a stereocentre
Carbon where all four groups connected are different
Different connectivity
Superimposable mirror image
Stereoisomer
Same connectivity; any compound with a stereocentre
Stereocentre
Carbon where all four groups connected are different
9 terms
Chirality
Chiral compounds
Most chiral compounds consist of
Enantiomers
How can enantiomers be distinguished
Are compounds that are not superimposable on each others mirr…
Four different groups attached to the carbon
Is the object and its mirror image they have identical chemic…
By smell caraway and spearmint are enantiomers
Chiral compounds
Are compounds that are not superimposable on each others mirr…
Most chiral compounds consist of
Four different groups attached to the carbon
18 terms
Chirality
True
Achiral
Chiral
four
True or False: *Most biological molecules, including carbohyd…
Mirror images:... - Superimposable mirror images: Images that co…
Mirror images:... - Non-superimposable mirror images: Images whe…
Chiral Center: C atom is attached to __ different groups... a)…
True
True or False: *Most biological molecules, including carbohyd…
Achiral
Mirror images:... - Superimposable mirror images: Images that co…
13 terms
Chirality
stereoisomers
cis/trans/geometric isomers
chiral molecules
achiral molecules
molecules that have the same bonding sequence but differ in t…
differ in the orientation of their atoms in space due to the…
stereoisomers that have non superimposable mirror images
stereoisomers who's mirror images are superimporable. Any mol…
stereoisomers
molecules that have the same bonding sequence but differ in t…
cis/trans/geometric isomers
differ in the orientation of their atoms in space due to the…
22 terms
Chirality
mirror image
superposable
nonsuperposable
enantiomers
the reflection of a molecule in a mirror
if the mirrored images can be placed on top of each other and…
they will not fit exactly on the original with every detail m…
stereoisomers that are nonsuperposable mirror images, refers…
mirror image
the reflection of a molecule in a mirror
superposable
if the mirrored images can be placed on top of each other and…
8 terms
Chirality
Isomer types
Enantiomers
Stereocenters
Chiral and Achiral atoms
Constitutional: different connectivity... Stereoisomers: same co…
a pair of stereoisomers that are not superposable mirror images
A carbon with four different groups bonded to it
Not superposable (it has handedness). ... Lacks chirality (hande…
Isomer types
Constitutional: different connectivity... Stereoisomers: same co…
Enantiomers
a pair of stereoisomers that are not superposable mirror images
13 terms
Chirality
Structural Isomers
Functional Group Isomers
Chain isomers
Positional Isomers
Compounds with same molecular formula but different structura…
Isomers with different functional groups
Carbon chains with different branching patterns
Same functional group attached to different carbon atoms in a…
Structural Isomers
Compounds with same molecular formula but different structura…
Functional Group Isomers
Isomers with different functional groups
12 terms
Chirality
What is a chiral catbon
what are enantiomers
enantiomers relation to light...
polarised light is measured with a
a carbon that has four different groups attached to it
are mirror images
enantiomers rotate polarised light an equal amount , the ligh…
polarimeter
What is a chiral catbon
a carbon that has four different groups attached to it
what are enantiomers
are mirror images
15 terms
Chirality - 8
I. Chiral - cannot be superimposed on…
A. Chiral Moleules
1) Chiral atoms
II. Examples - 1
Greek: meaning "hand"
A molecule that cannot be superimposed on its mirror image is…
Usually are C bonded to 4 DIFFERENT Groups ... - the C is calle…
...
I. Chiral - cannot be superimposed on…
Greek: meaning "hand"
A. Chiral Moleules
A molecule that cannot be superimposed on its mirror image is…
95 terms
Chirality and Stereochemistry
sigma and pi bonds
The covalent bond
hybrid orbitals: sp3, sp2, sp and resp…
molecular geometries/VESPR
σ bonds are single bonds. They also make up the first bond of…
The covalent bond results when there is a sharing of electron…
Hybrid orbitals are produced by hybridizing (mixing) electron…
sigma and pi bonds
σ bonds are single bonds. They also make up the first bond of…
The covalent bond
The covalent bond results when there is a sharing of electron…
8 terms
Chirality Definitions
Stereoisomers
chiral
Enantiomer
stereocenter/ chiral center
two or more non-superimposable molecules that have the same c…
non identical to its mirror image form
one of the two mirror image forms of a chiral molecule
a carbon or atom directly attached to four different groups
Stereoisomers
two or more non-superimposable molecules that have the same c…
chiral
non identical to its mirror image form
8 terms
Chirality Definitions
Stereogenic Center (stereocenter)
Absolute configuration
Achiral
Enantiomers
an atom at which interchange of any two groups produces a new…
the precise 3-dimensional arrangement of four different group…
not chiral
molecules that are nonsuperimposable mirror images of each ot…
Stereogenic Center (stereocenter)
an atom at which interchange of any two groups produces a new…
Absolute configuration
the precise 3-dimensional arrangement of four different group…
15 terms
Chirality Vocabulary
Mirror Image
Enantiomers
Racemic Mixture
Diastereomers
is the reflection of an object in a mirror
a pair of stereoisomers that are nonsuperposable mirror images
contains equal amounts of two enantiomers
stereoisomers that are not mirror images
Mirror Image
is the reflection of an object in a mirror
Enantiomers
a pair of stereoisomers that are nonsuperposable mirror images
Chirality Vocabulary
mirror image
superposable
nonsuperposable
enantiomers
stereoisomers called enantionmers and diastereomers
when the mirror image and original represent the same molecule
when the mirror image and original image do not match up no m…
stereoisomers that are nonsuperposable mirror images
mirror image
stereoisomers called enantionmers and diastereomers
superposable
when the mirror image and original represent the same molecule
11 terms
Amides & Chirality
Give the structure of an amide
How are amides classified?
What are amides the product of?
What is optical isomerism?
Primary, secondary, or tertiary
Reactions with acyl chlorides and ammonia/amines
Stereoisomers that are non-superimposable mirror images o…
Give the structure of an amide
How are amides classified?
Primary, secondary, or tertiary
21 terms
Chirality Vocab
Mirror Image
Superposable
Nonsuperposable
Enantiomers
reflection of an object in a mirror
If we can move the mirror image in space and find that it fit…
No matter how you turn the mirror image, it will not fit the…
a pair of stereo-isomers that are nonsuperposable mirror images
Mirror Image
reflection of an object in a mirror
Superposable
If we can move the mirror image in space and find that it fit…
39 terms
Chapter 3: Chirality
Chiral
Chiral examples:
Achiral
Enantiomers
When something is different from its mirror image
HAND
Same as their mirror image
mirror images of a chiral molecule, isomers you get because o…
Chiral
When something is different from its mirror image
Chiral examples:
HAND
23 terms
chapter 6- chirality
chirality
isomers
constitutional isomers
stereoisomers
Often referred to as "handedness"--> molecules are chiral if…
different compounds with the same molecular formula
compounds with the same molecular formula but different conne…
Compounds with the same molecular formula and connectivity bu…
chirality
Often referred to as "handedness"--> molecules are chiral if…
isomers
different compounds with the same molecular formula
21 terms
Unit 6 Chirality
asymmetry
symmetry
stereoisomers
enantiomer
Carbon atom with 4 different substituents... no plane or point o…
carbon atom with 2 or more of the same substituents... has a pla…
occur whenever a compound posses a chiral or asymmetric center
non-superimposable mirror images... physical properties are the…
asymmetry
Carbon atom with 4 different substituents... no plane or point o…
symmetry
carbon atom with 2 or more of the same substituents... has a pla…
30 terms
17.1 Chirality
Chain Isomerism
Position Isomerism
Functional Group Isomerism
Stereoisomerism
occurs where structural isomers have different arrangements o…
occurs where structural isomers have the same functional grou…
occurs where structural isomers have different functional gro…
Same molecular formula and the same structural formula but di…
Chain Isomerism
occurs where structural isomers have different arrangements o…
Position Isomerism
occurs where structural isomers have the same functional grou…
36 terms
Chirality Matters!
Isomers
Structural Isomers
Stereoisomers
Stereochemistry importance:
Different compounds with the same molecular formula
Isomers that differ in which atoms are bonded to which atoms.
Isomers that differ in the way the atoms are oriented in spac…
- Biochemicals ... - Medicine ... - Tool for studying mechanisms
Isomers
Different compounds with the same molecular formula
Structural Isomers
Isomers that differ in which atoms are bonded to which atoms.
16 terms
Definitions for Chirality
chiral
achiral
enantiomers
chirality center
not superimposable on its mirror image
is superimposable on its mirror image
stereoisomers that are related as an object and its non super…
tetrahedral carbon attached to four different atoms or groups
chiral
not superimposable on its mirror image
achiral
is superimposable on its mirror image
stereochemistry and chirality
isomers
consititutional isomers
steroisomers
enantiomers
different compounds with the same molecular formula
isomers having atoms bonded to different atoms
isomers with a difference in 3-d arrangement only
mirror images
isomers
different compounds with the same molecular formula
consititutional isomers
isomers having atoms bonded to different atoms
6 terms
Stereoisomers and Chirality
Stereocenter
Stereoisomers
Enantiomers
Chiral
A carbon with 4 different substituents (AKA Chiral center)
Two molecules that have the same connectivity but are non-sup…
Two molecules that are exact mirror images of each others but…
Any molecule with an non-identical mirror image.
Stereocenter
A carbon with 4 different substituents (AKA Chiral center)
Stereoisomers
Two molecules that have the same connectivity but are non-sup…
20 terms
Isomers and Chirality
Structural Isomers
Stereoisomers
Conformational Isomers
Configurational Isomer
Same number of Atoms but differ in how they are connected tog…
Isomers that differ in 3D arrangement of the same groups
type of stereoisomer that differ by rotation around a sigma b…
Type of stereoisomer that can only be interchanged by the bre…
Structural Isomers
Same number of Atoms but differ in how they are connected tog…
Stereoisomers
Isomers that differ in 3D arrangement of the same groups
22 terms
conformation and chirality
in conformations isomers are bonds bro…
in optical isomers are bonds broken?
is the eclipsed or staggered confomer…
which has the 60 degree dihedral angle…
no
yes (a mirror image) bonds broken and formed
the staggered one Y and the other upside down Y
staggered! So more stable
in conformations isomers are bonds bro…
no
in optical isomers are bonds broken?
yes (a mirror image) bonds broken and formed
25 terms
Chapter 4: Chirality
constitution
configuration
relative configuration
chirality
the order in which atoms are connected
three-dimensional spatial arrangement of substituent groups
cis vs. trans stereoisomers
a molecule is chiral if its two mirror-image forms are not su…
constitution
the order in which atoms are connected
configuration
three-dimensional spatial arrangement of substituent groups
13 terms
Chirality (Chapter 7, Giuliano)
When is a molecule chiral?
When is a molecule achiral?
How many enantiomers may a chiral obje…
____ carbons may not be chirality cent…
Two mirror-image forms of the molecule are not superimposable…
The molecule is superimposable on its mirror image.
Only one enantiomer.
Double- or triple-bonded; ring
When is a molecule chiral?
Two mirror-image forms of the molecule are not superimposable…
When is a molecule achiral?
The molecule is superimposable on its mirror image.
20 terms
Chiral Drugs
Chiral Drugs advantages
Chiral
Pair of enantiomers
Racemate
Separating unwanted side effects... Reduce metabolic/renal/hepat…
non superimposable on its mirror image... can exist as a pair of…
Chiral molecule and its mirror image
mixture of equal parts of both enantiomers of chiral drugs
Chiral Drugs advantages
Separating unwanted side effects... Reduce metabolic/renal/hepat…
Chiral
non superimposable on its mirror image... can exist as a pair of…
21 terms
Chapter 7 Chirality
Does the infinitive aider use the prep…
Does the infinitive apprendre use the…
Does the infinitive commencer use the…
Does the infinitive continuer use the…
aider à
apprendre à
commencer à
continuer à
Does the infinitive aider use the prep…
aider à
Does the infinitive apprendre use the…
apprendre à
8 terms
Chiral Molecules
stereoisomerism
chiral carbon
chiral
achiral
pairs of compounds that have same chemical formula but differ…
has 4 different groups of atoms bonded to it
objects such as hands that have nonsuperimposable mirror images
when the mirror image of an object is identical and can be su…
stereoisomerism
pairs of compounds that have same chemical formula but differ…
chiral carbon
has 4 different groups of atoms bonded to it
50 terms
Chapter 7 Chirality
stereoisomers
chiral
achiral
Types of chirality centers
Isomers that have the same constitution but different spatial…
not superimposable on its mirror image; a molecule is chiral…
a molecule that is superimposable on its mirror image
carbon that is attached to four different groups... silicon, li…
stereoisomers
Isomers that have the same constitution but different spatial…
chiral
not superimposable on its mirror image; a molecule is chiral…
84 terms
Chirality & Organic Reactions
electrophile
electrophile
electrophile
electrophile
a positive charge... electrophile or nucleophile?
H3O+... electrophile or nucleophile?
NH4... electrophile or nucleophile?
HBR... electrophile or nucleophile?
electrophile
a positive charge... electrophile or nucleophile?
electrophile
H3O+... electrophile or nucleophile?
55 terms
Chapter 7 Chirality
Isomers
Constitutional Isomers
Stereoisomers
Superimposable
compounds that are composed of the same atoms (hence the same…
same molecular formula but a different constitution (order of…
same molecular formula and constitution but different spatial…
Two objects that are identical
Isomers
compounds that are composed of the same atoms (hence the same…
Constitutional Isomers
same molecular formula but a different constitution (order of…
21 terms
Stereoisomers, Chirality, Optical Activity
isomers
constitutional isomers
stereoisomers
chiral
different compounds with the same molecular formula
isomers with a different connectivity
isomers with same connectivity but different orientation of a…
(from Greek, cheir, hand) an object that is not superposable…
isomers
different compounds with the same molecular formula
constitutional isomers
isomers with a different connectivity
13 terms
Chirality chapter 15
Enantiomers
Chiral
Achiral
Stereocenter
Stereoisomers that are nonsuperposable mirror images
Not identical to its reflection
Lacks chirality (identical)
Tetrahedral carbon with four different groups bonded to it
Enantiomers
Stereoisomers that are nonsuperposable mirror images
Chiral
Not identical to its reflection
30 terms
Chirality, Part 1
enantiomers
molecules that have enantiomers are
chiral molecules will
the two enantiomers are
non-superimposable mirror image stereoisomers - like a right…
chiral molecules
rotate the plane of plane polarized light; are optically active
(+) and (-)
enantiomers
non-superimposable mirror image stereoisomers - like a right…
molecules that have enantiomers are
chiral molecules
16 terms
4D Amines, Polymers and Chirality
Reaction of amines with acid
Preparation of aliphatic amines
Alpha amino acid
Iso-electric point
CH3CH2NH2 + HCl → CH2CH2NH3+Cl-
Nucleophilic substitution of halogenoalkanes... Conditions: Exc…
An amino acid in which the amine group and carboxylic acid gr…
The pH at which an amino acid exists as a zwitterion
Reaction of amines with acid
CH3CH2NH2 + HCl → CH2CH2NH3+Cl-
Preparation of aliphatic amines
Nucleophilic substitution of halogenoalkanes... Conditions: Exc…
17 terms
Ch. 5 Sterochemistry and Chirality
Constitutional Isomers
Stereoisomers
Chirality
Stereogenic Center (stereoisomers)
same molecular formula the only difference is in the connecti…
atoms connected at the same place, just difference arrangemen…
molecules (not the same) or objects with non-super posable mi…
any atom where interchangin groups produces steroisomers
Constitutional Isomers
same molecular formula the only difference is in the connecti…
Stereoisomers
atoms connected at the same place, just difference arrangemen…
Chiral Molecules
Structural isomers
Stereoisomers
Nonsuperimposable
Superimposable
Same molecular formula, different bonding arrangements
Identical molecular formulas, bonded in same sequence, differ…
In a mirror doesn't line up
In a mirror does line up
Structural isomers
Same molecular formula, different bonding arrangements
Stereoisomers
Identical molecular formulas, bonded in same sequence, differ…
58 terms
Organic Chemistry - Stereoisomers and Chirality
Epimer
Diastereomers
Conformers
Constitutional Isomers
diastereomers that contain more than one chiral center and di…
-Stereoisomers... -Not mirror images... -Not superimposable... -Not en…
Can be interconverted via single bond rotation
Same molecular formula but different atom connectivity
Epimer
diastereomers that contain more than one chiral center and di…
Diastereomers
-Stereoisomers... -Not mirror images... -Not superimposable... -Not en…
43 terms
Chiral Drugs
a object is chiral if?
what are the advantages of using new c…
what is a chiral molecule?
what is an enantiomer?
if and only if it is not superimposable on its mirror image
-separating unwanted side effects ... -reduce metabolic/renal/he…
not superimposable on its mirror image and can exist as a pai…
one of two stereoisomers that are mirror images of each other…
a object is chiral if?
if and only if it is not superimposable on its mirror image
what are the advantages of using new c…
-separating unwanted side effects ... -reduce metabolic/renal/he…
28 terms
organic ch 5 chirality
chiral
isomers
constitutional isomers
stereoisomers
Not superposable on its mirror image (object that possesses t…
different compounds that have the same molecular formula
have the same molecular formula but different connectivity
same connectivity but different arrangement of atoms in space…
chiral
Not superposable on its mirror image (object that possesses t…
isomers
different compounds that have the same molecular formula
14 terms
Stereochemistry and Chirality - E2
Explain importance of chirality using…
Why should a pharmacist care about chi…
Strategies for the synthesis and prepa…
Assign R/S for chiral compounds (CIP R…
Only compound 6 has functional groups A, B, and C that align…
the goal of modern drug develpoment is creation of a drug mol…
use of optically pure starting materials: carbohydrates, amin…
...
Explain importance of chirality using…
Only compound 6 has functional groups A, B, and C that align…
Why should a pharmacist care about chi…
the goal of modern drug develpoment is creation of a drug mol…
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