发明名称 |
PROCESS FOR THE PREPARATION OF 5-MEMBERED NITROGEN-CONTAINING HETEROAROMATICS |
摘要 |
PCT No. PCT/EP89/00335 Sec. 371 Date Dec. 6, 1989 Sec. 102(e) Date Dec. 6, 1989 PCT Filed Mar. 25, 1989 PCT Pub. No. WO89/09768 PCT Pub. Date Oct. 19, 1989.Compounds of the formula I <IMAGE> I in which A and X1 have the meaning given in patent claim 1 can be prepared in a simple manner, in a one-pot process and in high yields. |
申请公布号 |
ZA8902516(B) |
申请公布日期 |
1989.12.27 |
申请号 |
ZA19890002516 |
申请日期 |
1989.04.05 |
申请人 |
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG |
发明人 |
RICHARD KIRCHLECHNER;MICHAEL CASUTT;ARNO BASEDOW |
分类号 |
C07D207/34;C07D207/40;C07D207/404;C07D207/416;C07D233/90;C07D405/06 |
主分类号 |
C07D207/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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