1003. Barthrin

Nomenclature

CAS number: 70-43-9
2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylic acid (6-chloro-1,3-benzodioxol-5-yl) methyl ester; 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylic acid 6-chloropiperonyl ester; 6-chloropiperonyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate; 6-chloropiperonyl chrysanthemumate; chrysanthemummonocarboxylic acid 6-chloropiperonyl ester.
C18H21ClO4; mol wt 336.81.
C 64.19%, H 6.28%, Cl 10.53%, O 19.00%.

Description and references

Prepn: Barthel, Alexander, J. Org. Chem. 23, 1012 (1958); Barthel et al., US 2886485 (1959).

Chemical structure

Properties

Oily liquid, bp0.2 155-171°, bp0.7 184-206°. nD25 1.5383. Sol in kerosine.

Use

Insecticide.