To prepare butanoic acid from 1-propanol, which sequence of reagent(s) is/are best employed?A) (1) PBR3; (2) NaCN; (3) H,O; (4) [H*]B (1) NaCN; (2) H,O; (3) [H*]c) K2Cr20, in acidLİAIH, In the conversion of acetone to aceto-cyanohydrin, the effect of electron-donating substituents on the tetrahedral intermediate isto:A) make the intermediate more crowdedstabilize the charge on oxygenc) destabilize the charge on oxygen(Ddestabilize the carbocation formed

Sceheme 1: Step 1 : propanol reaction with PBr3 results bromo propane. Step 2 : Bromo propane…

To prepare butanoic acid from 1-propanol, which sequence of reagent(s) is/are best employed? A (1) PBR3; (2) NaCN; (3) H2O; (4) [H*] (1) NaCN; (2) H,0; (3) [H*] (c) K2Cr,0, in acid D) LIAIH4

To prepare butanoic acid from 1-propanol, which sequence of reagent(s) is/are best employed? A (1) PBR3; (2) NaCN; (3) H2O; (4) [H] (1) NaCN; (2) H,0; (3) [H] (c) K2Cr,0, in acid D) LIAIH4

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter25: Biomolecules: Carbohydrates

Section25.3: D,l Sugars

Problem 7P

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Question

To prepare butanoic acid from 1-propanol, which sequence of reagent(s) is/are best employed?
A) (1) PBR3; (2) NaCN; (3) H,O; (4) [H*]
B (1) NaCN; (2) H,O; (3) [H*]
c) K2Cr20, in acid
LİAIH,

In the conversion of acetone to aceto-cyanohydrin, the effect of electron-donating substituents on the tetrahedral intermediate is
to:
A) make the intermediate more crowded
stabilize the charge on oxygen
c) destabilize the charge on oxygen
(D
destabilize the carbocation formed

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