Organic Chemistry Exam 2
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25 terms
Terms | Definitions |
|---|---|
 OrganoLithium Preparation | Alkyl halide, 2eq Li, diethyl ether; low temperature |
| OrganoMagnesium Preparation | Alkyl halide, Magnesium, diethyl ether, room temperature |
| Grignard Reaction with CO2 | forms a carboxylic acid |
| OrganoZinc Reaction | CH2I2, Zinc coated in copper, diethyl ether |
| Carbene Reaction | CHX3, bulky base |
| Oxymercuration Demercuration Reaction | Hg(OCOCH3)2, H20, NaBH4/KOH |
| What is KOH used for in Oxymercuration Demercuration reaction | neutralize the acetic acid formed. |
| Reduction of ketones and aldehydes | NaBH4, CH3OH/H20 |
| Reduction of ketones, aldehydes, esters, acids, NO2, akyl halides, alkenes, | LiAlH4, diethyl ether, H30+ |
| Leaving groups needing heat in esterification | alcohol, ester, ether, amine |
| Leaving group using room temperature in esterification | halide |
| What makes the best leaving group | Electron withdrawing group or small electron donating group. |
| Mild alcohol oxidizing groups | CrO3 in pyradine, PCC, NaOCl |
| PCC | pyridium chlorochromate |
| Harsh alcohol oxidizing groups | hot KMnO4, K2Cr2O7 in H2SO4, H2CrO4 |
| Acidic dehydration of alcohol | acid and heat |
| Basic dehydration of alcohol | POCl3, pyrandine, heat |
| Alkyl halide to primary or secondary alcohol | SOCl2, PBr3 |
| Alkyl halide to tertiary alcohol | HCl, HBr |
| Tosylate | p-toulenesulfonylchloride |
| Prepare Thiols | Alkyl halide, sodium hydrosulfide |
| Prepare cis Diol | cold KMnO4 or OsO4 |
| Prepare trans Diol basic | MCPBA then OH/H20 |
| Prepare trans Diol acidic | MCPBA then H+/H20 |
| Protecting group for alcohol | chlorotrimethylsilane |
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