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Which of the following is the best metho...

Which of the following is the best method for the synthesis of ester `(I) (Me_3 C-COOMe)` ?

A

`Me_3 C-COCl + MeOH rarr`

B

`Me_3 C-COOH + MeOH rarr`

C

`Me_3 C-COOH + CH_2 N_2 rarr`

D

`Me_3 C-COCl + MeONa rarr`

Text Solution

Verified by Experts

The correct Answer is:
C
The esterification of an alcohol with `RCOCl` ro with `RCOOH` is affected by steric hindrance. Bulky group on either alcohol or acid derivatives slow down the reaction. So, the esterification with diazomethane `(CH_2N_2)` is the best method.
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  9. underset((A)) (PhCONH2) underset(KOBr)rarr (B) underset(MeOH)rarr (C) ...

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  11. underset((A))(PhCOOH)underset(underset((ii)Ag(2)O //Pt//MeOH)((ii)CH(2...

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  13. underset((A)) (EtCOOMe) overset("(i)" NH2 NH2 "(ii)" HNO2) underset("(...

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  14. underset((A))("PhCOOMe") overset("(i)" NH2 OH) underset("(ii)" overset...

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  15. Product (B) is :

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  16. Which of the following tests would help in the distinction of HCOOH an...

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  17. Which of the following does not contain (-COOH) group ?

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  18. Acids do not give the characteristic reaction of (C=O) group because o...

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  19. The addition of Hbr to CH2 = CHCOOH results in the formation of.

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  20. Mark the correct order of increasing reactivity.

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