Potassium Hydroxide → 3-(2,2-Dibromovinyl)-2,2-dimethylcyclopropane-1-carboxylic acid

HRID 1763981Notes

Reaction equation

HRID 1763981 reaction equation
[CH3:1][C:2]1([CH3:14])[CH:4]([CH:5]=[C:6]([Br:8])[Br:7])[CH:3]1[C:9]([O:11]CC)=[O:10].[OH-].[K+]>C(O)C>[CH3:1][C:2]1([CH3:14])[CH:4]([CH:5]=[C:6]([Br:8])[Br:7])[CH:3]1[C:9]([OH:11])=[O:10]

Participants

4

Reactant 2

HCID 14797Potassium HydroxideHCID 12550018Ethyl 3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate

Product 1

HCID 1812483-(2,2-Dibromovinyl)-2,2-dimethylcyclopropane-1-carboxylic acid

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

2.02 Parts of ethyl 2,2-dimethyl-3-(2',2'-dibromovinyl)-cyclopropane-carboxylate obtained in Example 11 was agitated with 7.06 parts of a 10% aqueous solution of potassium hydroxide in the presence of ethyl alcohol at 40° to 50° C. for 2 hours to effect hydrolysis of the ester and obtain 1.08 parts of 2,2-dimethyl-3-(2',2'-dibromovinyl)-cyclopropane-carboxylic acid having a melting point of 116° - 117° C.

Sources & evidence

ORD record
ord-799a8a8450864e44a24de834195e2208
Source dataset
uspto-grants-1978_09
Patent number
US04113968

Reaction notes

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