Process for producing hydrazone compound

Details Process for producing hydrazone compound Process for producing hydrazone compound

2011-02-08

2011-02-08

Sullivan, Daniel M (Department: 1621)

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

Organic compounds

Amino nitrogen containing

Reexamination Certificate

active

07884245

ABSTRACT:
The present invention provides a process for producing a hydrazone compound represented by the general formula (5):which comprises a step of condensing a hydrazine compound represented by the general formula (3):with a carbonyl compound represented by the general formula (4):without taking the hydrazine compound out of a reactor. According to the invention, the target hydrazone compound can be obtained in high quality and in a high yield without taking the hydrazine compound out of the reactor at all, the hydrazine compound being a reaction intermediate which is structurally unstable and has a fear of influencing safety of workers owing to its toxicity (mutagenicity).

REFERENCES:
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Hall, N. Science, vol. 266, Oct. 7, 1994, pp. 32-34.
Toshio, S. et al. Machine translation of JP 1-224333 (patent No. JP 2654057).
English Abstract of JP5865261 published Apr. 16, 1983.
Database crossfire beilstein, XP-002476652, Database accession No. 668736, vol. 24, 1902 p. 1194.

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