发明授权
- 专利标题: Preparation of pyridines or pyrroles from .alpha.,.omega.-dinitriles
- 专利标题(中): 从α,ω-二腈制备吡啶或吡咯
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申请号: US502522申请日: 1983-06-09
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公开(公告)号: US4521602A公开(公告)日: 1985-06-04
- 发明人: Walter Rebafka , Gerd Heilen , Klaus Halbritter , Wolfgang Franzischka
- 申请人: Walter Rebafka , Gerd Heilen , Klaus Halbritter , Wolfgang Franzischka
- 申请人地址: DEX
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX
- 优先权: DEX3104765 19810211
- 主分类号: C07D211/12
- IPC分类号: C07D211/12 ; B01J23/00 ; B01J27/00 ; C07D207/32 ; C07D207/323 ; C07D213/08 ; C07D211/10
摘要:
A pyridine or a pyrrole is obtained in a one-stage process directly from an .alpha.,.omega.-dinitrile of appropriate carbon skeleton when the dinitrile is reacted in the gas phase with hydrogen, over a hydrogenation catalyst.
公开/授权文献
- US5627721A Protector cartridge for modular connector blocks 公开/授权日:1997-05-06
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