3-Sulfonyl-4-Chloro Benzoic Acid 反应生成 4-氯-3-氨磺酰基苯甲酰氯 参考文献:Indanes And Analgesic Compositions And Methods Thereof 标题:Indanes And Analgesic Compositions And Methods Thereof 摘要:从由式##str1##的对映体和非对映异构体形式以及它们的混合物组成的化合物中选择.
专利号:EP-0054892-B1 优先权日:1980-12-22 标题:Synthesis of indolines 摘要:A process for the preparation of compounds of the structure wherein R is hydrogen, lower alkyl containing 1 to 5 carbon atoms, cycloalkyl containing 3 to 7 carbon atoms, phenyl or phenyl substituted with halogen, trifluoromethyl, or lower alkyl or lower alkoxy having 1 to 4 carbon atoms and R1 is hydrogen, lower alkyl having 1 to 4 carbon atoms, phenyl or phenyl lower alkyl wherein the lower alkyl has 1 to 4 carbon atoms, which comprises cyclizing a compound of the structure wherein R and R1 are as defined above, in the presence of a Lewis or Bronsted acid or mixture thereof.
专利号:EP-0054892-A1 优先权日:1980-12-22 标 题 :Synthesis of indolines
专利号:CA-1161046-A 优先权日:1980-12-22 标 题:Synthesis of indolines
专利号:SU-1736339-A3 优先权日:1987-12-30 标 题 :Method of 4-chloro-3-sulfamoylbenzoic acid synthesis
专利号:CN-111170922-A 优先权日:2020-01-09 标 题 :A kind of impurity produced by producing indapamide and synthesis method and application