Document Type and Number:
Japanese Patent JPH0250110
Kind Code:
B2
Abstract:
Propenimidates are provided having the formula: wherein X and Y are independently O or S; and R1 and R2 are independently C1-C4 alkyl, (CH2)nOR3 where R3 is C1-C4 alkyl and n is 1 or 2, CH2CH2Cl, or CH2CF3, provided that when R1 or R2 is CH2CH2Cl or CH2CF3, then the respective X or Y is 0. Preferred propenimidates have X and Y as O and R' and R2 as methyl or ethyl. The propenimidates are made by preparing a monohydrohalide salt from a dihydrohalide salt of the formula: and then contacting the monohydrohalide salt with cyanamide. The propenimidates upon heating ring close to pyrimidines which are useful in preparing herbicidal compounds.
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Inventors:
YURIUSU YAKOBU FUTSUKUSU
EDOWAADO KOON WAA WAATO
EDOWAADO KOON WAA WAATO
Application Number:
JP18785487A
Publication Date:
November 01, 1990
Filing Date:
July 29, 1987
Export Citation:
Assignee:
II AI DEYUHON DE NIMOASU ANDO CO
International Classes:
A01N47/40; C07C67/00; C07C239/00; C07C261/04; C07C313/00; C07C323/60; C07C327/58; C07D239/28; C07D239/32; C07D239/46; C07D239/47; C07D239/52; C07D239/56; C07D239/58
Next Patent: OPTICAL FIBER CABLE