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2.18 When we write arrow-pushing mechanlsms Involving protontransfer, It Is often difficultto keep track of aclds and bases. In general,when we wrte arrow-pushing mechanlsms that occur under ackdkcconditions, It Is best to represent the add and conjugate base as H-Aand A-, respectively. Conversely, for mechanisms that occur underbasic conditions, It Is best to represent the base and conjugate acldas Band B-H. For reactions that occur under neutral conditions, youcan choose elther H-A/A or B:/B-HA Suggest a plauslble arrow-pushing mechanlsm for the followingreaction, using H-A as the acld and A-as the conugate base00OCHs100CSuggest a plausible arrow-pushing mechanism for the followingreaction, using B: as the base and +B-Has the conjugate acdB25 C

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Can i get help with the two examples below

2.18 When we write arrow-pushing mechanlsms Involving proton
transfer, It Is often difficultto keep track of aclds and bases. In general,
when we wrte arrow-pushing mechanlsms that occur under ackdkc
conditions, It Is best to represent the add and conjugate base as H-A
and A-, respectively. Conversely, for mechanisms that occur under
basic conditions, It Is best to represent the base and conjugate acld
as Band B-H. For reactions that occur under neutral conditions, you
can choose elther H-A/A or B:/B-H
A Suggest a plauslble arrow-pushing mechanlsm for the following
reaction, using H-A as the acld and A-as the conugate base
0
0
OCHs100C
Suggest a plausible arrow-pushing mechanism for the following
reaction, using B: as the base and +B-Has the conjugate acd
B
25 C
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2.18 When we write arrow-pushing mechanlsms Involving proton transfer, It Is often difficultto keep track of aclds and bases. In general, when we wrte arrow-pushing mechanlsms that occur under ackdkc conditions, It Is best to represent the add and conjugate base as H-A and A-, respectively. Conversely, for mechanisms that occur under basic conditions, It Is best to represent the base and conjugate acld as Band B-H. For reactions that occur under neutral conditions, you can choose elther H-A/A or B:/B-H A Suggest a plauslble arrow-pushing mechanlsm for the following reaction, using H-A as the acld and A-as the conugate base 0 0 OCHs100C Suggest a plausible arrow-pushing mechanism for the following reaction, using B: as the base and +B-Has the conjugate acd B 25 C

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Organic synthesis

First reaction is a typical hydrolysis of ester under acid medium. ester carbonyl picks up a proton from acid and then 1 molecule of water attacks at the electrophilic carbonyl carbon center to generate a tetrahedral center. Reformation of carbonyl group and loss of a proton gives the hydrolyzed carboxylic acid product.

In t...

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