发明授权
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

3-imino-3-alkoxy-propionic acid lactates and their tautomeric acrylic
acid lactates
摘要:
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.
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