CAS: 603-69-0; Ethyl 2-Acetyl-3-Oxobutanoate

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CAS号141-97-9 乙酰乙酸乙酯 | CAS号75-36-5 乙酰氯 | CAS号29214-62-8 ethyl (Z)-3-ace... | CAS号463-51-4 乙烯酮 | CAS号1007476-32-5 sodium acetyl a... | CAS号108-24-7 乙酸酐 | CAS号67-66-3 氯仿 | CAS号105-36-2 溴乙酸乙酯 | CAS号108-22-5 醋酸异丙烯酯 | CAS号6287-35-0 3-(苯基氨基)-2-丁烯酸乙酯 | CAS号10475-63-5 3-氧代-2-(2-苯基亚肼基)丁酸乙酯 | CAS号56079-16-4 1,3,5-三甲基-1-H-吡... | CAS号3977-29-5 2-氨基-4-羟基-6-甲基嘧啶 | CAS号5444-02-0 2,6-二羟基-3-氰基-4-甲基吡啶 | CAS号17147-42-1 3,5-二甲基异噁唑-4-甲酸乙脂 | CAS号35691-93-1 3,5-二甲基吡唑-4-甲酸乙酯 | CAS号141-97-9 乙酰乙酸乙酯 | CAS号1068-57-1 乙酰肼 | CAS号89193-18-0 ethyl 3,5-dimet... | CAS号114-83-0 乙酰苯肼

依达拉奉杂质置于三氟化硼,1,2-二氯乙烷体系中,化学反应生成 二乙酰乙酸乙酯
参考文献:Mechanism Of Acetylation Of Ketone Enol Acetates With Acetic Anhydride By Boron Trifluoride To Form β-Diketones
标题:Mechanism Of Acetylation Of Ketone Enol Acetates With Acetic Anhydride By Boron Trifluoride To Form β-Diketones
摘要:
DOI:10.1021/ja01133A008

专利信息

专利号:WO-2019199375-A1
优先权日:2018-04-10
标 题 :Synthesis of boron complexes with oxygen-containing multidentate ligands
发明人：LU GANG
权利人:DOW SILICONES CORP
摘要:A method for preparing a boron complex is provided. The method comprises contacting and allowing to react at a temperature from 0 to 100°C: (a) an alkoxyborane of formula (I) wherein R1 and R2 independently are hydrogen, C1-C30 hydrocarbyl or C5-C30 heterocyclic; and R3 is C1-C30 hydrocarbyl; and (b) either (i) an α-diketo compound having from 4 to 30 carbon atoms, or (ii) a β-diketo compound having from 5 to 50 carbon atoms. A method for addition reaction polymerization using the boron complex obtained by said method is also provided.

专利号:WO-0240493-A1
优先权日:2000-11-20
标题 :Asymmetric metal complexes based on a transition metal useful for enantioselective reduction of ketone derivatives by hydride transfer
发明人：LE GUYADER FREDERIC; MANFRE FRANCO; BIENEWALD FRANCK
权利人:RHODIA CHIMIE SA; LE GUYADER FREDERIC; MANFRE FRANCO; BIENEWALD FRANCK
摘要:The invention concerns asymmetric metal complexes based on a transition metal and comprising as ligand of said metal at least an optically active form of a compound of general formula (I). The invention also concerns the preparation and the use of said complexes in asymmetric organic synthesis and in particular for enantioselective reduction of ketone derivatives by hydride transfer.

专利号:US-4028278-A
优先权日:1971-08-17
标 题 :Cycloaliphatic unsaturated ketones as fragrance modifying agents
发明人：BUCHI GEORGE H; WUEST HANS
权利人:FIRMENICH & CIE
摘要:New cycloaliphatic unsaturated ketones and their use as perfuming and odor-modifying agents in the manufacture of perfumes and perfumed products, and as flavoring and taste-modifying agents in the preparation of foodstuffs in general and imitation flavors for foodstuffs, beverages, animal feeds, pharmaceutical preparations and tobacco products. n Methods for preparing the said new compounds and certain of the starting materials used for their synthesis.

专利号:US-6287798-B1
优先权日:1996-05-01
标题 :Esculetin derivatives
发明人：JAMES ARTHUR; ARMSTRONG LYLE
权利人:IDG UK LTD
摘要:The invention concerns novel 6- or 7-substituted derivatives of esculetin (6,7-dihydroxy-2H-1-benzopyran-2-one), their synthesis, and their application as substrates for the detection of micro-organisms in samples where a derivative is enzymatically cleaved to release a colored or fluorogenic marker which has a low tendency to diffuse through agar or other aqueous environments.