专利号:US-11117893-B2 优先权日:2018-09-24 标题 :Methods for preparation of substituted pyridines and related novel compounds 发明人:WATKINS EDMOND BLAKE; UREDI DILIPKUMAR; MOTATI DAMODER REDDY 权利人:WATKINS EDMOND BLAKE; UREDI DILIPKUMAR; MOTATI DAMODER REDDY; UNION UNIV 摘要:The present invention relates to novel methods of preparation of substituted pyridines and the compounds produced therefrom. In particular, the present invention provides efficient methods for the construction of diversely substituted pyridines, with varying substitution patterns under simple and metal-free conditions with high atom- and pot-economy and excellent functional group tolerance, and which are useful for the synthesis of natural products.
专利号:CN-105358248-A 优先权日:2013-03-15 标 题:Synthesis of Enantioprogesterone and Its Intermediates
专利号:CN-108064228-A 优先权日:2014-09-17 标题 :Synthesis of enanti-progesterone and its intermediates
专利号:CN-1741979-A 优先权日:2002-12-12 标题:Process for the synthesis of bisphenol
专利号:CN-1438985-A 优先权日:2000-06-28 标 题 :Cyclic ketones, their preparation and their use in the synthesis of amino acids