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Patent Searching and Data


Title:
MANUFACTURE OF ALPHA, BETA-DIAMINOACRYLNITRILE
Document Type and Number:
Japanese Patent JPS6178760
Kind Code:
A
Abstract:
alpha , beta -Diaminoacrylonitriles of the general formula I R3R2NC(R1)=C(NR2R3)CN I where R1, R2 and R3 are identical or different and independently of one another are each hydrogen, alkyl, cycloalkyl, aralkyl, aryl or a heterocyclic radical, and the organic radicals R2 may furthermore be bonded to one another to form a 6-membered or 7-membered ring, or R2 and R3 may be bonded to one another to form a 5-membered or 6-membered ring, are prepared by reacting an alpha -dicarbonyl compound R1COCHO, or a reactive derivative of this with (a) a salt of sulfurous acid or sulfur dioxide, (b) an amine HNR2R3 or an aliphatic diamine R3HN-(CH2)nNHR3 where n is 2 or 3 and (c) hydrocyanic acid or a hydrocyanic acid donor in any sequence.

Inventors:
ETSUKUHARUTO HITSUKUMAN
Application Number:
JP20673585A
Publication Date:
April 22, 1986
Filing Date:
September 20, 1985
Export Citation:
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Assignee:
BASF AG
International Classes:
C07C67/00; C07C253/00; C07C255/30; C07C255/31; C07C255/32; C07C255/42; C07D241/04; C07D241/06; C07D243/08; (IPC1-7): C07C120/00; C07C121/45; C07C121/48; C07C121/78; C07D241/06; C07D243/08
Attorney, Agent or Firm:
Toshio Yano (2 outside)