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ChemicalBook CAS DataBase List FLUCYTHRINATE
70124-77-5

FLUCYTHRINATE synthesis

2synthesis methods
-

Yield:-

Reaction Conditions:

in dichloromethane

Steps:

11 Preparation of (+)-α-Cyano-m-phenoxybenzyl (+)-α-Isopropyl-4-difluoromethoxyphenylacetate
EXAMPLE 11 Preparation of (+)-α-Cyano-m-phenoxybenzyl (+)-α-Isopropyl-4-difluoromethoxyphenylacetate The compound (+)-α-cyano-m-phenoxybenzyl (+)-α-isopropyl-4-difluoromethoxyphenylacetate can be prepared by treating a solution of (+)-2-(4-difluoromethoxyphenyl)-3-methylbutyryl chloride in methylene chloride with α-cyano-m-phenoxybenzyl alcohol in methylene chloride and pyridine as described in Example 8 above. The compound (+)-α-cyano-m-phenoxybenzyl (+)-α-isopropyl-4-difluoromethoxyphenylacetate is a colorless viscous oil. ND23 =1.5432; NMR (CDCl3) δ6.8 to 7.5 (m, 13H, ArH); δ6.73 (t, J=74 Hz, 1H, OCHF2); δ6.30 and 6.23 (2S, 1H, CH--CN); δ3.27 [d, J=10 Hz, 1H, CH--CH(CH3)2 ].

References:

American Cyanamid Company US4377531, 1983, A

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