Invention Grant
US5652371A 3-imino-3-alkoxy-propionic acid lactates and their tautomeric acrylic
acid lactates
失效
3-亚氨基-3-烷氧基 - 丙酸乳酸盐及其互变异构丙烯酸乳酸盐
- Patent Title: 3-imino-3-alkoxy-propionic acid lactates and their tautomeric acrylic acid lactates
- Patent Title (中): 3-亚氨基-3-烷氧基 - 丙酸乳酸盐及其互变异构丙烯酸乳酸盐
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Application No.: US518126Application Date: 1995-08-22
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Publication No.: US5652371APublication Date: 1997-07-29
- Inventor: Jurgen Stoltefuss , Michael Negele
- Applicant: Jurgen Stoltefuss , Michael Negele
- Applicant Address: DEX Leverkusen
- Assignee: Bayer Aktiengesellschaft
- Current Assignee: Bayer Aktiengesellschaft
- Current Assignee Address: DEX Leverkusen
- Priority: DEX4233586.8 19921006
- Main IPC: C07C229/30
- IPC: C07C229/30 ; C07C255/37 ; C07C257/06 ; C07C249/02 ; C07C251/08
Abstract:
The invention relates to novel 3-imino-3-alkoxy-propionic acid lactates and their tautomeric acrylic acid lactates, processes for their preparation and their use as intermediates in the synthesis of 2-amino-substituted 1,4-dihydropyridines.
Public/Granted literature
- US5074153A Thread tensioning force meter for texturing unit for the false twisting of synthetic threads Public/Granted day:1991-12-24
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