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1. (WO1987003282) VITAMIN D¿3? DERIVATIVE
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1987/003282 International Application No.: PCT/JP1986/000598
Publication Date: 04.06.1987 International Filing Date: 21.11.1986
IPC:
C07C 401/00 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
401
Irradiation products of cholesterol or its derivatives; Vitamin D derivatives, 9,10-seco cyclopenta[a]phenanthrene or analogues obtained by chemical preparation without irradiation
Applicants:
TAISHO PHARMACEUTICAL CO., LTD. [JP/JP]; 24-1, Takada 3-chome Toshima-ku Tokyo 171, JP (AllExceptUS)
IKEKAWA, Nobuo [JP/JP]; JP (UsOnly)
Inventors:
IKEKAWA, Nobuo; JP
Agent:
ODAJIMA, Heikichi @; Odajima Patent Office Nippon Jitensha Bldg. 9-15, Akasaka 1-chome Minato-ku Tokyo 107, JP
Priority Data:
60/26181021.11.1985JP
Title (EN) VITAMIN D3 DERIVATIVE
(FR) DERIVE DE LA VITAMINE D3
Abstract:
(EN) 24a, 24a-Difluoro-1$g(a),25-dihydroxy-24-homovitamin D3 and process for its preparation. This compound has a strong vitamin D activity with low toxicity, thus being useful for prophylaxis and treatment of calcium metabolism abnormalism, etc.
(FR) 24a, 24a-Difluoro-1$g(a),25-dihydroxy-24-homovitamine D3 et procédé de préparation de celle-ci. Ce composé présente une intense activité analogue à celle de la vitamine D avec une faible toxicité, ce qui permet de l'utiliser dans la prophylaxie et le traitement d'anomalies dans le métabolisme du calcium, etc.
Designated States: JP, US
European Patent Office (AT, BE, CH, DE, FR, GB, IT, LU, NL, SE)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)
Also published as:
EP0245524US4832875