CAS: 3535-37-3; 3,4-Dimethoxybenzoyl Chloride

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CAS号93-07-2 藜芦酸 | CAS号93-03-8 藜芦醇 | CAS号69788-97-2 N-ethyl-N-(6-hy... | CAS号121-34-6 香草酸 | CAS号7719-09-7 氧氯化硫 | CAS号10026-13-8 五氯化磷 | CAS号4302-52-7 3,4-二甲氧基苯炔 | CAS号3943-77-9 3,4-二甲氧基苯甲酸乙酯 | CAS号37527-66-5 异氰酸3,4-二甲氧基本酯 | CAS号4143-62-8 3',4'-二甲氧基黄酮 | CAS号4687-37-0 3,4-二甲氧基苯甲酰乙酸乙酯 | CAS号4640-69-1 3,4-二甲氧基苯甲酰乙腈 | CAS号478-01-3 川陈皮素； 蜜橘黄素； 川皮亭 | CAS号4038-14-6 3,4-二甲氧基二苯甲酮 | CAS号41764-74-3 3,4-二甲氧基苯酰肼 | CAS号22699-97-4 Methanone,(3,4-...

3,4-二甲氧基苯乙酮置于吡啶,Sulfur Monochloride,氯化亚砜体系中,用 氯苯 用作溶剂,以47%的收率获得3,4-二甲氧基苯甲酰氯
参考文献:一步一步将甲基酮转化为酰氯
标题:一步一步将甲基酮转化为酰氯
摘要:用单氯化硫和催化量的吡啶在回流的氯苯中处理芳族和杂芳族甲基酮会导致酰基氯的形成.富电子和贫电子的芳基甲基酮都可以用作起始原料.所得的c 1副产物取决于所选择的精确反应条件.
Doi:10.1021/acs.Joc.5B01707

专利信息

专利号:US-7652137-B2
优先权日:2003-03-06
标 题:Synthesis of 5 substituted 7-azaindoles and 7-azaindolines
发明人：GRACZYK PIOTR PAWEL; KHAN AFZAL; BHATIA GURPREET SINGH
权利人:EISAI R&D MAN CO LTD
摘要:The present invention provides a novel substituted azaindoline intermediate of formula (I) and a method for its synthesis. The novel substitued azaindoline intermediate (I) is provided for use in the manufacture of 5-substituted 7-azaindolines and 5-substituted 7-azaindoles.

专利号:US-6011178-A
优先权日:1998-03-13
标题:Process for the preparation of 2-amino-4,5,3',4'-tetramethoxybenzophenone
发明人：WERBITZKY OLEG; BRIEDEN WALTER; HEINZMANN ETIENNE
权利人:LONZA AG
摘要:2-Amino-4,5,3',4'-tetramethoxybenzophenone of the formula: ##STR1## is prepared by mononitration of 3,3',4,4'-tetramethyoxybenzophenone using nitric acid in the presence of acetic acid, and subsequent reduction of the nitro group. The compound is an intermediate in the synthesis of active ingredients against rheumatoid arthritis.

专利号:US-2009177008-A1
优先权日:2005-12-28
标题:Novel process for synthesis of itopride and its novel intermediate n-(4-hydroxybenzyl)- 3,4-dimethoxybenzamide
发明人：KHAMAR BAKULESH MAFATLAL; MODI INDRAVADAN AMBALAL; VENKATRAMAN JAYARAMAN; RAVI PONNAIAH; NORI DIVAKARA SOMAYAJULU; GAJULA MADHUSUDANA RAO; RENUGADEVI GURUSAMY; SHASHIKALA KUNJARU N; RUDRAMUNI SANTOSH M
权利人:CADILA PHARMACEUTICALS LTD
摘要:The present invention relates to a novel and improved process for the preparation of N-[4-[2-(dimethylamino)ethoxy]benzyl]-3,4-dimethoxybenzamide—known as Itopride, via a novel intermediate N-(4Ëœhydroxybenzyl)-3,4-dimethoxybenzamide.

专利号:US-4766118-A
优先权日:1986-12-22
标题 :6-benzoxazinyl- and 6-benzothiazinyl-2,3,4,5-tetrahydropyridazin-3-ones and pharmaceutical use
发明人：COMBS DONALD W
权利人:ORTHO PHARMA CORP
摘要:The synthesis of benzoxazinyl- and benzothiazinylpyridazinone compounds is described. The novel compounds are cardiotonic agents and inhibitors of phosphodiesterase. In addition, the compounds are useful as smooth muscle relaxants and bronchodilators.

专利号:ES-2355726-T3
优先权日:2003-03-06
标题:SYNTHESIS OF 7-AZAINDOLES AND 7-AZAINDOLINAS REPLACED IN POSITION 5.

专利号:US-5081242-A
优先权日:1986-12-22
标 题:6-benzoxazinyl- and 6-benzothiazinyl 2,3,4,5-tetrahydropyridazin-3-ones
发明人：COMBS DONALD W
权利人:ORTHO PHARMA CORP
摘要:The synthesis of benzoxazinyl- and benzothiazinylpyridazinone compounds is described. The novel compounds are cardiotonic agents and inhibitors of phosphodiesterase. In addition, the compounds are useful as smooth muscle relaxants and bronchodilators.