3,3-dialkoxy-2-hydroxyiminopropionitriles, process for...

Details 3,3-dialkoxy-2-hydroxyiminopropionitriles, process for... 3,3-dialkoxy-2-hydroxyiminopropionitriles, process for...

2007-06-05

2007-06-05

Wilson, James O. (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

Reexamination Certificate

active

10480576

ABSTRACT:
The present invention is to provide a 3,3-dialkoxy-2-hydroxyiminopropionitrile represented by the formula (1):wherein R1and R2may be the same or different from each other, and each represent an alkyl group having 1 to 8 carbon atoms,a process for preparing the same, and a process for preparing a 5-amino-4-nitrosopyrazole compound represented by the formula (4):wherein R4represents a hydrogen atom, an alkyl group which may have a substituent(s) or an aryl group which may have a substituent(s),or an acid salt thereof using the same.

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K.A. Ogloblin et al, Interaction of Nitrosyl Chloride With Unsaturated Compounds XXVIII. Reaction With the Nitriles of Methacrylic and Crotonic Acids,Journal of Organic Chemistry of the USSR(Zhurnal Organicheskoi Khimii), vol. 5, No. 10, pp. 1679-1682 (1969).

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