CAS: 6940-76-7; 1-Chloro-3-Iodopropane

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3-氯-1-丙醇置于咪唑,碘,三苯基膦体系中,化学反应生成 1-氯-3-碘丙烷
参考文献:通过铱催化的c 进行芳烃的立体控制烷基化 H硼化
标题:通过铱催化的c 进行芳烃的立体控制烷基化 H硼化
摘要:互补化学:报道了一种通过空间效应控制芳烃的位点选择性烷基化的单锅法.发生的过程通过铱催化的ç  ħ硼基化,随后pd或ni基催化的亲电子烷基偶联.这种选择性补充了典型的friedel-Crafts烷基化反应的选择性.元的宽范围的各种电子性质和官能团的芳烃-选择性的烷基化发生在非常好的产率与部位选择性高.
DOI:10.1002/anie.201208203

专利信息

专利号:US-11891351-B2
优先权日:2020-03-20
标 题 :Synthesis of capsaicin derivatives
发明人：LAGER ERIK
权利人:AXICHEM AS
摘要:The present invention relates to the synthesis of capsaicin derivatives, specifically to the synthesis of 6-heptyne derivatives of capsaicin.

专利号:US-4026911-A
优先权日:1976-02-23
标 题:Process for the preparation of ketoalkynoic acids and use of the process in an improved synthesis of 2-(substituted)-cyclo-pentane-1,3,4-triones
发明人：REVERMAN LAWRENCE FRANCIS
权利人:MILES LAB
摘要:Reaction of a 2-methyl-2-(alkenyl)-1,3-dioxolane with an α,ω-dihalogenoalkane to obtain a 2-methyl-2-(ω-chloroalkynyl)-dioxolane, conversion of the latter to a corresponding nitrile, and hydrolysis of the nitrile to form a ketoalkynoic acid is a novel process for preparing the acid. n Use of the process in the synthesis of 2-(substituted)-cyclopentane-1,3,4-triones improves that synthesis.

专利号:US-8975427-B2
优先权日:2010-04-28
标题 :Synthesis of alkyl cyclopentadiene compounds
发明人：HARLAN C JEFF; CAO XIANYI; RIX FRANCIS C
权利人:HARLAN C JEFF; CAO XIANYI; RIX FRANCIS C; UNIVATION TECH LLC
摘要:A method of synthesizing an alkyl cyclopentadiene compound is disclosed. The method includes contacting at least one cyclopentadienyl anion source and at least one alkyl group source to form at least one alkyl cyclopentadiene compound. The method further includes extracting the alkyl cyclopentadiene compound with a hydrocarbon solvent. The alkyl cyclopentadiene compound may be converted to a metallocene catalyst compound.

专利号:US-4587351-A
优先权日:1984-04-18
标 题 :Synthesis of ketones with calcium hypochlorite
发明人：ATKINS RANDALL K; WEIGEL LELAND O
权利人:LILLY CO ELI
摘要:The present invention pertains to a process for preparing ketones employing a silica catalyzed oxidation of a secondary alcohol with calcium hypochlorite in acetonitrile.

专利号:US-9238648-B2
优先权日:2011-10-14
标题 :Asymmetric synthesis method, related raw material and preparation method of (S,S)-2,8-diazabicyclo[4,3,0]nonane
发明人：SHENTU XIAOBO; QI YANTAO; XIE LINGSHI; WANG BO
权利人:SHANGHAI PUYI CHEMICAL TECHNOLOGY CO LTD
摘要:The present invention relates to an asymmetric synthesis method of a chiral intermediate (S,S)-2,8-diazabicyclo[4,3,0]nonane (I) of moxifloxacin, wherein an imide or enamine compound is obtained by dehydration reaction of the pyrrolidine-3-ketone as shown in formula (II) and chiral amine(R)-1-phenylethylamine, followed by the reduction of the imide or enamine compound to obtain a compound of formula (III) or (IV) having the chiral structure of formula (I), and then a compound of formula (I) is obtained by intramolecular cyclization, and removal of the chiral auxiliary group and amino-protecting group. The present invention also relates to pyrrolidine-3-ketone as shown in formula (II) and a preparation method therefor, n n n n n n n n n n n n and in the formula (I), (II), (III), (IV), R is an amino-protecting group, especially C 1-4 alkoxycarbonyl, benzyloxycarbonyl or benzyl which can be removed by hydrolysis or hydrogenation. Zâ•?H 2 or O; when Zâ•?H 2 , Y is chlorine, bromine, iodine, methanesulfonate, tosylate, hydroxyl or hydroxyl with protection; and when Zâ•?O, Y is OR 1 , and R 1 is C 1- alkyl.

专利号:US-2011172427-A1
优先权日:2008-08-27
标 题 :Process for preparing certain cinnamide compounds
发明人：NAKAMURA TAIJU; MATSUDA MASAAKI; HU YONGBO; HASEGAWA DAIJU; HOSHINO YORIHISA; INANAGA KAZATO; ISOMURA MINETAKA; SATO NOBUAKI; YOSHIZAWA KAZUHIRO; MONIZ GEORGE A; WILKIE GORDON D; FANG FRANCIS G; NISHIKAWA YOSHIHIRO
权利人:EISAI R&D MAN CO LTD
摘要:This invention relates to a new synthesis, intermediates and precursors leading to a mixture of the compounds 11 and 12 as shown below. It also relates to the resolution of the stereoisomeric mixture to provide in substantial stereochemical purity compound 12. The synthesis of the invention involves preparation of compound 7 and compound 10 as shown below and their reaction to prepare a mixture of compound 11 and compound 12.