CAS: 1192-04-7; 1-Bromocyclopent-1-Ene

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Trans-1,2-Dibrom-Cyclopentan置于吗啉,氢氧化钾,二甲基亚砜体系中,用 乙醇 用作溶剂,化学反应 30.0H,以45%的收率获得1-溴环戊-1-烯
参考文献:A Simple Preparation Of Cyclic Vinylic Bromides (1-Bromocycloalkenes And 1-Bromo-1,5-Cyclooctadiene) From 1,2-Dibromocycloalkanes
标题:A Simple Preparation Of Cyclic Vinylic Bromides (1-Bromocycloalkenes And 1-Bromo-1,5-Cyclooctadiene) From 1,2-Dibromocycloalkanes
摘要:1,2-二溴环戊烷,1,2-二溴环己烷,1,2-二溴环庚烷,1,2-二溴环辛烷,1,2-二溴环十二烷,以及5,6-二溴环辛烯在苯或乙醇中使用哌啶和二甲基亚砜进行平稳的脱溴反应,得到相应的1-溴环烯烃,产率非常好.
Doi:10.1055/s-1990-27031

专利信息

专利号:US-10150111-B2
优先权日:2016-09-06
标题 :Method for catalytic synthesis of cinnamic acid with catalyst recycle

专利号:US-2018326410-A1
优先权日:2016-09-06
标题 :Method for catalytic synthesis of cinnamic acid with catalyst recycle

专利号:US-5925676-A
优先权日:1996-09-13
标题 :Ester compounds pesticidal compositions containing the same and itermediates for synthesis thereof
发明人：IWASAKI TOMONORI; TSUSHIMA KAZUNORI; SUGANO MASAYO
权利人:SUMITOMO CHEMICAL CO
摘要:An ester compound represented by the formula ##STR1## wherein R 1 and R 2 may be the same or different and each represent a C 1 -C 6 alkyl group, or other specified groups, which may be optionally substituted with one or more halogen atoms; and R 3 represents a pyrethroid acid residue (a group resulting from elimination of the carboxyl group from pyrethroid acid), and a pesticidal composition containing the ester compound as an active ingredient.