Racemization of optically active compounds having a bromine subs

Details Racemization of optically active compounds having a bromine subs Racemization of optically active compounds having a bromine subs

1985-08-30

1986-09-23

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562402, 562490, 562492, 562493, 562602, C07B 5500

Patent

active

046136908

ABSTRACT:
Optically active compounds having a chlorine atom attached to the chiral carbon atom such as 2-bromoaliphatic acids can be racemized without by-product formation by heating an acidified solution of the organic acid at a temperature sufficient to accomplish racemization, the solution being substantially devoid of ionized halogen other than bromine ions. The preferred acidifying agent is hydrobromic acid. The use of hydrochloric acid causes extensive by-product formation.

REFERENCES:
patent: 4237313 (1980-12-01), Higo et al.

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