专利号:US-RE32122-E 优先权日:1980-06-07 标 题:4-substituted 3,3-dimethyl-butan-2-ones, processes for their preparation and their use as intermediate products 摘要:4-substituted 3,3-dimethyl-butan-2-ones of the formula ##STR1## in which R represents cyano or the group --X--R', n wherein n R 1 represents n-alkyl with 1 to 4 carbon atoms, isopropyl, isobutyl, sec.-butyl, alkenyl with 3 to 4 carbon atoms, alkynyl with 3 to 4 carbon atoms, optionally substituted aryl or substituted aralkyl, or represents cyano provided that X represents --O-- or --S--, and n X represents --O--, --S--, --SO--, or --SO 2 --, n which are intermediates for the synthesis of fungicides.
专利号:EP-2578570-A1 优先权日:2011-10-07 标题:Novel process for preparing 5-(2-{[6-(2,2-difluoro-2-phenylethoxy)hexyl]amino}-1(r)-hydroxyethyl)-8-hydroxyquinolin-2(1h)-one via novel intermediates of synthesis.