CAS: 6974-77-2; 1-Bromo-3-Chloro-2-Methylpropane

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3-氯-2-甲基丙烯置于氢溴酸,氧气体系中,化学反应生成 1-溴-3-氯-2-甲基丙烷
参考文献:小环化合物.三十五.甲基取代的环丁基-,环丙基羰基-和烯丙基羰基胺的亚硝酸脱氨基重排的研究1A,B
标题:小环化合物.三十五.甲基取代的环丁基-,环丙基羰基-和烯丙基羰基胺的亚硝酸脱氨基重排的研究1A,B
摘要:已确定在环丙基甲基甲胺,(2-甲基环丙基)-甲胺,2-甲基环丁胺,3-甲基环丁胺,巴豆基甲胺和烯丙基甲基甲胺的亚硝酸脱氨基中形成的醇混合物的组成.这些结果和相应醇在强酸性介质中异构化条件下的行为可以通过假设形成三种不等价的,不对称的,非经典的阳离子中间体来解释,类似于先前为其他小环衍生物的碳正离子反应提出的那些. .
DOI:10.1021/ja01478A028

专利信息

专利号:US-4518813-A
优先权日:1981-10-02
标 题:Optically active units for the synthesis of the side chain of (R,R,R)-α-tocopherol and their preparation
发明人：ERNST HANSGEORG; VOGEL FRIEDRICH; PAUST JOACHIM
权利人:BASF AG
摘要:(2R,6R)-1-Chloro-2,6,10-trimethyl-undecane I, (R)-(+)-β-chloro-isobutyric acid II, (S)-(+)-1-bromo-3-chloro-2-methylpropane IV and (2R)-(+)-1-chloro-2,6-dimethyl-heptane V are novel optically active units for the synthesis of the side chain of (R,R,R)-α-tocopherol. In the process according to the invention, the optically active C 14 -chloride I is obtained in 6 simple reaction steps starting from II, via the novel intermediates IV and V, in accordance with the following equation: ##STR1##

专利号:US-6872727-B1
优先权日:1999-08-26
标 题:Polycyclic pyrimidine -2,4(1H,3H)-diones with functionalized alkyl residues at the 1- and/or 3-position(s); methods for their synthesis and pharmaceutical preparation
发明人：HERRMANN KONRAD; LEISTNER SIEGFRIED; WIPPICH PETRA
权利人:PRIVATES INST FUR BIOMEDIZINIS
摘要:Polycyclic pyrimidine-2,4(1H,3H)-diones with functionalized alkyl residues at the 1-, the 3-, or both position(s); methods for their synthesis, production, and pharmaceutical preparation. The invention concerns the synthesis of the above-described compounds, their chemical and structural characterization, and the analysis of their physiological/pharmacological activities in vitro and in vivo. These goals have been attained by the specification of routes of synthesis, methods for the production of the compounds, and the presentation of compound-specific characteristics. The substances encompassed by the present invention demonstrate pharmacologically significant collangenase/matrix metalloproteinase inhibitory activities. The specific example 1-(3-mercaptoprop-1-yl)-3-methyl-chinazolin-2,4(1H,3H)-dione will be presented in detail.

专利号:EP-0076448-A1
优先权日:1981-10-02
标题:Optically active components for the synthesis of the side chain of (R,R,R)-alpha-tocopherol and process for their preparation

专利号:CA-1191157-A
优先权日:1981-10-02
标 题:Synthesis of (2r,6r)-1-chloro-2,6,10-trimethyl- urdicane

专利号:EP-0076448-B1
优先权日:1981-10-02
标题:Optically active components for the synthesis of the side chain of (r,r,r)-alpha-tocopherol and process for their preparation

专利号:RU-2126801-C1
优先权日:1992-01-17
标 题 :Alkyl derivatives of trazodone, method of their synthesis, intermediate compounds and pharmaceutical composition