CAS: 4341-76-8; Ethyl 2-Butynoate

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590-93-2 764-01-2 55314-57-3

上下游产品

CAS号541-41-3 氯甲酸乙酯 | CAS号74-99-7 丙炔 | CAS号141-97-9 乙酰乙酸乙酯 | CAS号1474-92-6 Butanoic acid,3... | CAS号590-93-2 2-丁炔酸 | CAS号75-03-6 碘乙烷 | CAS号64-17-5 乙醇 | CAS号5982-65-0 ethyl (3E)-3-(c... | CAS号53855-47-3 2-甲基吲哚-3-羧酸乙酯 | CAS号54716-02-8 (E)-3-(1-吡咯烷酮)巴豆酸乙酯 | CAS号143121-37-3 ethyl 2-methyl-... | CAS号4344-87-0 3-甲基-3-吡唑啉-5-酮 | CAS号17975-46-1 4-[(4-Methoxyph... | CAS号211060-30-9 ethyl 3-methyl-... | CAS号210752-54-8 ethyl 2-(1-hydr... | CAS号22609-01-4 6-Chloro-3-etho... | CAS号141-97-9 乙酰乙酸乙酯 | CAS号29263-80-7 ethyl 2,3-dibro...

Ethyl 3-Oxo-2-(Triphenylphosphoranylidene)Butyrate 以 Various Solvent(S) 作为反应溶剂,300.0 °C,0.01 Pa 条件下,以100%的收率获得产物2-丁炔酸乙酯
参考文献:Salts盐和膦烷.第5部分.热和电子影响诱导的杂芳基亚甲基三苯基膦的断裂.
标题:Salts盐和膦烷.第5部分.热和电子影响诱导的杂芳基亚甲基三苯基膦的断裂.
摘要:Trippett对芳酰基亚甲基膦酸酯的热解的修饰为五元杂芳基乙炔的合成提供了一般程序.电子撞击引起的膦烷裂解也产生质量与乙炔相对应的离子,但亚稳态离子数据表明乙炔的挤出遵循分子离子中h.的初始损失.
DOI:10.1016/s0040-4020(01)90373-4

专利信息

专利号:US-8153839-B2
优先权日:2005-09-14
标题:Method for synthesis of keto acids or amino acids by hydration of acetylene compound
发明人：OGO SEIJI; FUKUZUMI SHUN-ICHI
权利人:OGO SEIJI; FUKUZUMI SHUN-ICHI; JAPAN SCIENCE & TECH AGENCY
摘要:An object of the present invention is to provide a method for synthesis of keto acids by hydration of an acetylene compound (acetylene-carboxylic acids) under mild conditions free from harmful mercury catalysts and a method for synthesis of amino acids from acetylene-carboxylic acids in a single container (one-pot or tandem synthesis). In one embodiment of the method according to the present invention for synthesis of keto acids, acetylene-carboxylic acids is hydrated in the presence of a metal salt represented by General Formula (1), n nwhere M 1 represents an element in Group VIII, IX, or X of the periodic table, and X 1 , X 2 , or X 3 ligand represents halogen, H 2 O, or a solvent molecule, and k represents a valence of a cation species, and Y represents an anion species, and L represents a valence of the anion species, and each of K and L independently represents 1 or 2, and k×m=L×n.

专利号:US-9994508-B2
优先权日:2012-12-11
标 题:Versatile and functionalised intermediates for the synthesis of vitamin D and novel vitamin D derivatives
发明人：LOPEZ PEREZ BORJA; SIGUEIRO PONTE RITA; MAESTRO SAAVEDRA MIGUEL A; MOURINO MOSQUERA ANTONIO
权利人:ENDOTHERM GMBH
摘要:Novel intermediates for the complete synthesis of vitamin D are provided that allow a great versatility of functional groups in the final vitamin derivatives. Vitamin derivatives that are epimeric in position 3 and vitamin derivatives with a wide range of functionalities in position 18, including compounds with isotopic labelling are provided.

专利号:US-3872101-A
优先权日:1969-04-11
标题:Synthesis of {60 , {62 -unsaturated compounds
发明人：SIDDALL JOHN E; FRIED JOHN H
权利人:ZOECON CORP
摘要:Stereospecific synthesis of Alpha , Beta -ethylenically unsaturated compounds by the reaction of an organo-copper or organo-manganese reagent with an Alpha , Beta -acetylenically unsaturated compound at a temperature of -40*C or less.

专利号:US-9035070-B2
优先权日:2010-07-30
标 题 :Process for the preparation of 1-aryl-pyrazol-3-one intermediates useful in the synthesis of sigma receptors inhibitors
发明人：BARTRA SANMARTI MARTÃ?; BERENGUER MAIMO RAMON; MEDRANO RUPEREZ JORGE; GARCIA GOMEZ JORGE; ARIZA PIQUER JAVIER
权利人:BARTRA SANMARTI MARTÃ?; BERENGUER MAIMO RAMON; MEDRANO RUPEREZ JORGE; GARCIA GOMEZ JORGE; ARIZA PIQUER JAVIER; ESTEVE QUÃ?MICA S A
摘要:The invention relates to a process for preparing 1-aryl-pyrazol-3-one intermediates, tautomers, and salts thereof, to novel intermediates, and to the use of the intermediates in the preparation of sigma receptor inhibitors.

专利号:US-8329880-B2
优先权日:2008-04-25
标 题 :Process for the preparation of naphthalen-2-yl-pyrazol-3-one intermediates useful in the synthesis of sigma receptor inhibitors
发明人：JOVER ANTONI TORRENS; ARJONA JORDI CORBERA; CUBERES-ALTISENT MARIA ROSA
权利人:JOVER ANTONI TORRENS; ARJONA JORDI CORBERA; CUBERES-ALTISENT MARIA ROSA; ESTEVE LABOR DR
摘要:The invention relates to a process for preparing naphthalen-2-yl-pyrazol-3-one intermediates, tautomers, and salts thereof, to novel intermediates, and to the use of the intermediates in the preparation of sigma receptor inhibitors.

专利号:US-5936127-A
优先权日:1997-01-13
标题:Asymmetric synthesis and catalysis with chiral heterocyclic compounds
发明人：ZHANG XUMU
权利人:PENN STATE RES FOUND
摘要:This invention relates to chiral heterocyclic compounds useful for asymmetric synthesis and catalysis. More particularly, the invention relates to chiral heterocyclic phosphine, sulfur, and nitrogen compounds for asymmetric synthesis and catalysis in the production of enantiomerically pure products.