NOVEL STEROID DERIVATIVE

NEW MATERIAL:The androstane-5,7-diene derivative of formula (R is H or OH- protecting group). EXAMPLE:1alpha,3beta-Dihydroxyandrosta-5,7-dien-17-one. USE:Synthetic intermediate of vitamin D compound having OH at 1alpha-position, e.g. 1alpha-hydroxycholecalciferol, 1alpha,25-dihydroxycholecalciferol,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHINDOU MINORU, KANEKO CHIKARA, NAGANO HIROYUKI, MATSUNAGA ISAO, OCHI KIYOSHIGE
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY ORGANIC CHEMISTRY STEROIDS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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