Preparation of 2-formyl-3,3-dimethylcyclopropaneacetic acid

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

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Details

568303, 568343, 568374, 562506, C07C 6967, C07C 59147, C07C 49553, C07C 49583

Patent

active

042477115

ABSTRACT:
2-Formyl-3,3-dimethylcyclopropylacetic acid is prepared by ozonolysis of 3-acetyl-6,6-dimethylbicyclo[3.1.0]-2-hexene followed by reductive cleavage of the ozonolysis product thus formed. The 3-acetyl-6,6-dimethylbicyclo[3.1.0]-2-hexene is prepared by contacting 2-(2-acetyl-3-oxobutyl)-3,3-dimethylcyclopropanecarbaldehyde with a base in the presence of a solvent.

REFERENCES:
patent: 3637823 (1972-01-01), Berg

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