A process for preparing an alkyl dicyanopropionate

摘要

PCT No. PCT/EP97/01036 Sec. 371 Date Dec. 1, 1998 Sec. 102(e) Date Dec. 1, 1998 PCT Filed Mar. 3, 1997 PCT Pub. No. WO97/32843 PCT Pub. Date Sep. 12, 1997A process for preparing a compound of the formula wherein R is C1-C18 alkyl by reacting a compound of the formulaRO2C-CH2CN(II)with a cyanide salt and formaldehyde or source thereof. Compounds of formula (I) are useful intermediates to pesticidally active compounds.