Benzhydrazone derivatives as an intermediate for the production

Details Benzhydrazone derivatives as an intermediate for the production Benzhydrazone derivatives as an intermediate for the production

1993-10-27

1995-01-10

Chang, Celia

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

Organic compounds

Amino nitrogen containing

C07C31149

Patent

active

053809440

ABSTRACT:
A novel benzhydrazone derivative has a general formula [I]: ##STR1## (wherein R.sup.1 is a lower alkyl group, R.sup.2 and R.sup.3 are same or different halogen atoms and Z is a chlorine atom or an amino group) and is useful as an intermediate for the production of a triazole derivative having the following general formula [II]: ##STR2## (wherein R.sup.1, R.sup.2 and R.sup.3 are the same as mentioned above and X is a chlorine atom located at 2- or 6-position).

REFERENCES:
patent: 4414221 (1983-11-01), Parsons et al.
patent: 4788210 (1988-11-01), Luthy et al.
patent: 4954503 (1990-09-01), Strupczewski et al.
Ito et al. "N-phenylsulfonyl and N-methyl-N-phenylsulfonyl benzohydrazonoyl Azides" Bull. Chem. Soc. Jpn. 57 539-543 (1984).
Research Disclosure, vol. 278, Jun. 1987, pp. 356-357.

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