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Patent Searching and Data


Title:
PRODUCTION OF HALOGENATED CYCLOPROPANE DERIVATIVE
Document Type and Number:
Japanese Patent JPH09124556
Kind Code:
A
Abstract:

To stereo-selectively and efficiently obtain the subject optically active compound useful as an intermediate for producing new synthetic quinolone antibacterial agents by reacting a vinylidene halide with a diazo compound in the presence of a specific catalyst.

(B) A compound of the formula: CH2=CXF (X is Cl, Br, I) is reacted with (B) a compound of the formula: N2HCOR [R is a 1-10C alkyloxy (substituted with a halogen), an aralkyloxy comprising a (substituted)aryl and a 1-10C alkyloxy, a (substituted) aryloxy, a (halogenated aryloxy, a (halogenated) 1-10C alkylthio, an aralkylthio comprising a (substituted) aryl and a 1-10C alkylthio, amino, etc.; the substituent of the substituted aryl is a halogen, a 1-10C (halogenated) alkyl, etc.,] to preferentially produce the compound of the formula wherein the steric configuration of the 1-position is the S-configuration.


Inventors:
EHATA TSUTOMU
AKIBA TOSHIFUMI
IKETANI TAKANOBU
WAKITA RYUHEI
SASAKI MIKIO
Application Number:
JP983096A
Publication Date:
May 13, 1997
Filing Date:
January 24, 1996
Export Citation:
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Assignee:
DAIICHI SEIYAKU CO
SUMITOMO CHEMICAL CO
International Classes:
B01J31/16; C07B53/00; C07B61/00; C07C67/347; C07C69/74; C07C231/12; C07C231/18; C07C233/58; C07C255/56; C07C327/24; (IPC1-7): C07C69/74; B01J31/16; C07B53/00; C07C67/347; C07C231/12; C07C233/58; C07C255/56; C07C327/24
Attorney, Agent or Firm:
Masazumi Imamura (1 person outside)