氟哌噻吨3-O-β-D-葡糖苷酸钠盐置于sodium Metabisulfite体系中,用 甲醇 用作溶剂,以91%的收率获得氟烯线砜 参考文献: Synthesis Of 1,1,2-Trifluoro-4-(Substituted Sufonyl)-But-1-Ene[fr] Synthèse De 1,1,2-Trifluoro-4-(Sufonyl Substitué)-But-1-ène 标题: Synthesis Of 1,1,2-Trifluoro-4-(Substituted Sufonyl)-But-1-Ene[fr] Synthèse De 1,1,2-Trifluoro-4-(Sufonyl Substitué)-But-1-ène 摘要:The Present Invention Provides A Process For Preparing A Compound Of Formula [i] From A Compound Of Formula [ii] Using An Oxidizing Agent And A Catalyst,The Process Is Carried Out At A Low Temperature.
专利号:US-11897853-B2 优先权日:2018-12-31 标题 :Synthesis of 1,1,2-trifluoro-4-(substituted sufonyl)-but-1-ene 发明人:ZELL THOMAS; COHEN SHLOMI 权利人:ADAMA MAKHTESHIM LTD 摘要:The present invention provides a process for preparing a compound of formula [I] from a compound of formula [II] using an oxidizing agent and a catalyst, the process is carried out at a low temperature.
专利号:US-11352335-B2 优先权日:2018-01-23 标 题:Synthesis of 5-chloro-2-[(3,4,4-trifluoro-3-buten-1-yl)THIO]-thiazole 发明人:ZELL THOMAS; RUBINOV BORIS 权利人:ADAMA MAKHTESHIM LTD 摘要:The present invention provides an improved process for preparing 5-chloro-2-[(3,4,4-trifluoro-3-buten-1-yl)thio]-thiazole comprising reacting 2-[(3,4,4-trifluoro-3-buten-1-yl)thio]-thiazole with N-chlorosuccinimide (NCS) in the presence of water, the improvement comprising performing the step of reacting the compound of formula (II) with NCS in the presence of a reduced amount of water. The present invention provides an improved process for preparing 5-chloro-2-[(3, 4,4-trifluoro-3-buten-1-yl)thio]-thiazole comprising reacting 2-[(3, 4,4-trifluoro-3-buten-1-yl)thio]-thiazole with N-chlorosuccinimide (NCS) in the presence of water, the improvement comprising performing the step of reacting the compound of formula (II) with an excess molar amount of NCS.
专利号:CN-111885917-A 优先权日:2018-01-23 标 题:Synthesis of 5-chloro-2-[(3,4,4-trifluoro-3-buten-1-yl)thio]-thiazole
专利号:WO-2019145857-A2 优先权日:2018-01-23 标题 :Synthesis of 5-chloro-2-[(3,4,4-trifluoro-3-buten-1-yl)thio]-thiazole
专利号:BR-112019014061-A2 优先权日:2017-01-23 标 题 :compounds of formula i, intermediates b, intermediates c, intermediates ii and intermediates d, composition, use, method to combat phytopathogenic fungi, seed and process for the synthesis of the compounds of formula i
专利号:US-2021070719-A1 优先权日:2018-01-23 标 题:Synthesis of 5-chloro-2-[(3,4,4-trifluoro-3-buten-1-yl)thio]-thiazole
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合成参考文献
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