METHOD FOR PRODUCING INTERMEDIATE OF BIOTIN AND METHOD FOR PRODUCING BIOTIN

In the method, a trione compound represented by the following formula (1) is (i) reduced by NaAlH(OCHCHOCH)and subsequently further reduced by a metal borohydride salt, or (ii) reduced by calcium borohydride, thereby producing an amide alcohol compound represented by the following formula (3) (where...

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Bibliographische Detailangaben
Hauptverfasser:	SEKI Masahiko, IWASAKI Fumiaki, YAMAMOTO Hiromasa, TANAKA Kenji, SEIKE Yoshiki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	In the method, a trione compound represented by the following formula (1) is (i) reduced by NaAlH(OCHCHOCH)and subsequently further reduced by a metal borohydride salt, or (ii) reduced by calcium borohydride, thereby producing an amide alcohol compound represented by the following formula (3) (wherein, Rand Rmay be the same or different and each represents a hydrogen atom or a protecting group of an ureylene group; Rrepresents an alkyl group, an aralkyl group, or an aryl group; and each of R, R, and Rrepresents a hydrogen atom, an alkyl group, an alkoxy group, or a halogen atom).