CAS: 594-20-7; 2,2-Dichloropropane

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CAS号67-64-1 丙酮 | CAS号127-06-0 丙酮肟 | CAS号557-98-2 2-氯丙烯 | CAS号74-99-7 丙炔 | CAS号75-29-6 2-氯丙烷 | CAS号13283-01-7 六氯化钨 | CAS号74-98-6 丙烷 | CAS号7782-50-5 氯气 | CAS号7647-01-0 盐酸 | CAS号7705-08-0 三氯化铁 | CAS号557-98-2 2-氯丙烯 | CAS号463-49-0 丙二烯 | CAS号594-85-4 2,3-dichloro-2,... | CAS号563-79-1 2,3-二甲基-2-丁烯 | CAS号75-29-6 2-氯丙烷 | CAS号7647-01-0 盐酸 | CAS号562-49-2 3,3-二甲基戊烷 | CAS号2310-98-7 2-氯-2-溴丙烷 | CAS号98-82-8 异丙基苯 | CAS号74-99-7 丙炔

📜丙烷 反应生成 2,2-二氯丙烷
参考文献:Hass Et Al.,Industrial And Engineering Chemistry,1936,Vol. 28,P. 1179
标题:Hass Et Al.,Industrial And Engineering Chemistry,1936,Vol. 28,P. 1179

专利信息

专利号:US-4111933-A
优先权日:1976-04-30
标题:Protection of functional groups during reaction and their subsequent restoration
发明人：ECKERT HEINER; UGI IVAR; KABBE HANS-JOACHIM
权利人:BAYER AG
摘要:In the process for preparing an organic compound of the formula n n A' -- X n n in which n X is an amino group, a hydroxyl group or a carboxyl group, and n A' is the remainder of the molecule, from an organic compound of the formula n n A -- X n n in which n A is the remainder of the molecule which can undergo reaction to form A', by converting A -- X into a compound of the formula n n A -- Z -- COOR n n in which n Z is --NH--, --O-- or a direct C--C bond, and n R is a radical of the formula ##STR1## IN WHICH Y is a direct C--C single bond, the --CHâ•?CH-- group or an arylene group, n R 1 to R 4 each independently is hydrogen, halogen or an alkyl, aryl, aralkyl, alkoxycarbonyl, alkylaminocarbonyl, arylaminocarbonyl or cycloalkylaminocarbonyl radical, or n R 1 + r 2 and R 3 + R 4 each independently completes a 5- or 6-membered carbocyclic ring, or n R 1 and R 3 conjointly with the grouping --C--Y--C-- forms a carbocyclic ring with 5 or 6 carbon atoms, and Hal is halogen, n Thereby to protect X, then converting A -- Z -- COOR into a compound of the formula n n A' -- Z -- COOR n n and then treating the compound A' -- Z -- COOR to restore the group X, the improvement which comprises effecting the treatment of the compound A' -- Z -- COOR with an alkali metal compound of a complex of monovalent cobalt. The process is applicable particularly to aminocarboxylic acids including intermediates from various stages of the synthesis of penicillins and cephalosporis.

专利号:US-5780579-A
优先权日:1993-08-10
标题:Method for the preparation of polyamino acids
发明人：SOULA GERARD; GROSSELIN JEAN-MICHEL; JORDA RAFAEEL; CASTAN CATHERINE
权利人:FLAMEL TECH SA
摘要:PCT No. PCT/FR94/00992 Sec. 371 Date Mar. 28, 1996 Sec. 102(e) Date Mar. 28, 1996 PCT Filed Aug. 9, 1994 PCT Pub. No. WO95/04772 PCT Pub. Date Feb. 16, 1995The present invention relates to a method for the preparation of polyamino acids, with controlled molecular weights, by polymerization of N-carboxyanhydrides (NCAs) of at least one amino acid, using at least one initiator of the strong base type and in liquid medium, characterized in that it consists in including, in the liquid reaction medium, given amounts of water and/or of alcohol. Application: synthesis of polyamino acids with mechanical and rheological characteristics adapted to applications as biomaterials.

专利号:US-4859799-A
优先权日:1985-09-09
标 题 :Process for the production of aldehyde or ketone compounds and aldehydes and ketones obtained by means of this process
发明人：CAMPESTRINI SANDRO; DI FURIA FULVIO; MODENA GIORGIO; PASQUATO LUCIA
权利人:INTEROX SA
摘要:Process for the production of aldehydes or ketones by oxidative cleavage of olefinic double bonds by means of a coordination complex of a ligand and a peroxo derivative of a metal of group 6b. n Aldehydes and ketones obtained by said process are used among others as intermediates in the synthesis of organic products.

专利号:US-7468452-B1
优先权日:2007-12-12
标题 :Process for one-pot synthesis of 1,1-diphenyl-1-(3-substituted-cyclopentadienyl)-1-(2,7-di-t-butyl-fluoren-9-yl)methane type ligands
发明人：MARTIN JOEL L; MASINO ALBERT P; YANG QING
权利人:CHEVRON PHILLIPS CHEMICAL CO
摘要:The present invention is directed to a method of making a ligand which can be used to form an ansa-metallocene. Further, the present invention is directed to a method of making the ansa-metallocene. In both methods the process steps employed to form the ligand are conducted in the presence of tetrahydrofuran, a substituted tetrahydrofuran, tetrahydropyran, a substituted tetrahydropyran or ethylene glycol dimethyl ether.

专利号:US-9556208-B2
优先权日:2012-10-12
标题 :Hydrosilylation synthesis of haloalkylorganosilanes using peroxide promoters
发明人：LEWIS KENRICK MARTIN; RATHORE JITENDRA SINGH; TROTTO ANDREA; D'AGOSTINO GIUSEPPE
权利人:MOMENTIVE PERFORMANCE MAT INC
摘要:This invention is directed to a process for producing a haloorganoalkoxysilane product comprising reacting an olefinic halide, an alkoxysilane, a catalytically effective amount of ruthenium-containing catalyst; and a reaction-promoting effective amount of a peroxy compound, optionally in the presence of an electron-deficient aromatic compound.

专利号:WO-2023151188-A1
优先权日:2022-02-08
标题 :Green synthesis method of antiviral drug intermediate
发明人：XIA BIN; WANG JIAMING; ZHANG XIANSHU; CAI LINGLI; WANG ZIKUN; CAO MING; YANG SHAOBO; GAO QIANG; ZHENG BAOFU
权利人:SHANGHAI HAOYUAN CHEMEXPRESS CO LTD
摘要:The present application provides a green synthesis method of an antiviral drug intermediate. The method comprises: in the presence of a catalyst, adding zinc powder into a compound as represented by a formula II and performing a cyclization reaction with dihaloalkane to generate a compound as represented by a formula I, zinc halide being not required to be added to the cyclization reaction, wherein R1 is selected from H or an amino-protecting group, and R2 is selected from substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C6-C14 aryl or substituted or unsubstituted C7-C14 aralkyl; R3 and R4 are each independently selected from hydrogen, substituted or unsubstituted C1-C10 alkyl, and R3 and R4 can be connected to form a fatty ring containing 3-10 carbon atoms. The synthesis method is short in steps, dangerous and expensive materials are not used, a reaction conversion rate is high, reaction time is short, and operation is easy and convenient. Production costs and post-treatment costs are reduced, and a cost advantage is obvious. The method can be widely used for preparing antiviral drugs of nirmatrelvir, boceprevir or narlaprevir, and has good market prospects.