Process for the manufacture of optically active .gamma.-lactone

Details Process for the manufacture of optically active .gamma.-lactone Process for the manufacture of optically active .gamma.-lactone

1983-12-29

1986-02-04

Fan, Jane T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30793

Patent

active

045687587

ABSTRACT:
The optically active .gamma.-lactone of (1R, cis)-2, 2-dimethyl-3-hydroxymethyl-cyclopropane-1-carboxylic acid, which is useful as an intermediate in the production of pyrethroid insecticides, may be made from optically active (-)car-3-en-5-one by a two stage oxidation process followed by hydrolysis of the intermediate obtained.

REFERENCES:
patent: 4132717 (1979-01-01), Roman
patent: 4219562 (1980-08-01), Roman
patent: 4281203 (1981-07-01), Syrier et al.
Saul Patai, The Chemistry of Ethers, Crown Ethers, Hydroxyl Groups and Their Sulfur Analogues, Part 1, John Wiley & Sons, 1980, pp. 487-490.
The Chem. of Acid Derivatives, Part 1, John Wiley & Sons, 1979, pp. 310-311, pp. 333-334.
Mitra et al., Ind. J. Chem. 20, 436-7, 1981.

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