CAS: 18413-14-4; Ethylhydrazine Hydrochloride

相似化合物

6629-60-3 49540-34-3 667-35-6

上下游产品

ethylmagnesium chloride5-Butyl-4-(2'-cyano-biphenyl-4-ylmethyl)-2-ethyl-2H-pyrazole-3-carboxylic acid ethyl ester 1-ethyl-3,5-dimethylpyrazole 12H11N3O2C12H11N3O2

在 盐酸,氢氧化钾体系中,用88%的收率获得1-乙基肼盐酸盐
参考文献:Zelenin,K. N.; Khrustalev,V. A.; Sergutina,V. P.,Journal Of Organic Chemistry Ussr (English Translation),1980,Vol. 16,P. 244-247
标题:Zelenin,K. N.; Khrustalev,V. A.; Sergutina,V. P.,Journal Of Organic Chemistry Ussr (English Translation),1980,Vol. 16,P. 244-247

专利信息

专利号:US-4013658-A
优先权日:1975-07-03
标 题 :Synthesis of 3,5-diphenyl-4(1h)-pyridazinones
发明人：ABDULLA RIAZ F
权利人:LILLY CO ELI
摘要:A series of 3,5-diphenyl-4(1H)-pyridazinones are synthesized by a two-step process, both steps of which are new. In the first step, a phenylglyoxyloyl halide is reacted with a styrylamine in the presence of a base to form a 1-amino-2,4-diphenyl-1-buten-3,4-dione. In the second step, the enaminoketone formed in the first step is reacted with hydrazine or an alkylhydrazine to form the pyridazinone. Both steps of the reaction proceed in good yields at temperatures in the range of from about 0° C. to about 40° C. in the common reaction solvents.

专利号:US-8957254-B2
优先权日:2009-07-06
标题 :Process for chemical synthesis from an alkenone made from a halogenated precursor
发明人：BRAUN MAX; PALSHERM STEFAN; CLAASSEN UTA; LAMBERT ALAIN
权利人:BRAUN MAX; PALSHERM STEFAN; CLAASSEN UTA; LAMBERT ALAIN; SOLVAY
摘要:Process for synthesizing a chemical, in particular an agriculturally or pharmaceutically active compound, including: a first step comprising reacting a carboxylic acid halide with a vinyl ether to prepare a halogenated precursor of an alkenone; a second step comprising eliminating hydrogen halide from such precursor to form an alkenone, preferably by thermolysis under specific conditions; and a third step which uses the formed alkenone as a building block to synthesize the chemical. First step may be done in a liquid reaction medium comprising an alkenone or a halogenated alkenone precursor, or in a liquid reaction medium in turbulent state, specifically by creation of gas bubbles of the carboxylic acid halide herein. Second step may include a flash thermolysis, vacuum thermolysis, thermolysis under stripping with inert gas, and/or a thermolysis at a temperature from >90° C. to 120° C. Third step preferably comprises reacting the alkenone with a nitrogen-containing compound.

专利号:TW-200811122-A
优先权日:2006-03-27
标题:A convergent process for the synthesis of taxane derivatives

专利号:TW-I448471-B
优先权日:2010-05-28
标 题:Synthesis of Glycyrrhizic Acid Ester Derivatives and Deoxy Glycyrrhizic Acid Ester Compounds

专利号:TW-201509925-A
优先权日:2013-08-30
标题 :Synthesis of alkyl furan

专利号:TW-201406703-A
优先权日:2012-08-09
标 题:Synthesis method of trans-蒽二查果基诺诺