Intermediates for D-biotin synthesis and their production.,申请号EP19920114486-传众专利搜索

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发明名称	Intermediates for D-biotin synthesis and their production.
摘要	<p>There are disclosed a compound of the general formula (I): <CHEM> wherein the group R-CO- is an acyl group and its production. There is also disclosed a process for producing optically active (+/-)-(3a alpha , 4 alpha , 6a alpha )-tetrahydro-4-acetoxy-1,3-dibenzyl-1H-thieno[3,4-d]imidazol-2(3H)-one by using the compound (I). The compound (I) can be used as an intermediate for producing D-biotin which is useful as medicaments and feed additives for animals.</p>
申请公布号	EP0529590(A1)	申请公布日期	1993.03.03
申请号	EP19920114486	申请日期	1992.08.26
申请人	TAKEDA CHEMICAL INDUSTRIES, LTD.	发明人	YAMANO, TORU;NAKAHAMA, KAZUO;TAKANOHASHI, KUNIO
分类号	C07D495/04;C12P17/18;C12P41/00	主分类号	C07D495/04
代理机构		代理人
主权项
地址

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