SYNTHESE STEREOSPECIFIQUE DE CIS-PYRETHROIDES PAR VOIE CYCLOPROPENIQUE UTILISANT UN SYNTHON CARBANIONIQUE. II. ACCES AUX DERIVES CIS-CHRYSANTHEMIQUES ET CIS-PYRETHRIQUES.

DOI: 10.1016/S0040-4020(01)90022-5

Source and publish data:

Tetrahedron p. 853 - 858 (1987)

Update date:2022-08-05

Topics:

Authors:

Franck-Neumann, Michel

Miesch, Michel

Kempf, Hubert

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Article abstract of DOI:10.1016/S0040-4020(01)90022-5

The photolysis of series of gem-dimethyl 4-carbomethoxy 3H-pyrazoles, obtained from a common carbanionic precursor (preceding article) leads to cyclopropenic esters.These can be hydrogenated to the corresponding cis-disubstituted cyclopropanes which are direct precursors of chrysanthemates, pyrethric esters and analogous halopyrethroids.

Full text of DOI:10.1016/S0040-4020(01)90022-5

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