Date Jun. 19, 1997A process for the catalytic addition of nucleophilic agents to alkynes or allenes to form alkenes substituted by the nucleophile which may further react with the nucleophile and/or isomerize comprises using a catalyst comprising a wholly or partly ionized complex of univalent ...
ChemInform Abstract: Condensation of Prop-2-ynyl Alcohols with 2-Alkylalk-2-enals. A Simple Synthesis of Allenic Aldehydes.aldehydes (acyclic compounds)ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access...
#任嘉伦[超话]# 4-170 我只会追着我的星星跑,他跑多远我跟着跑多远。但我从来不会试图,将原本散发着光芒的他摘下来。离他的舞台近一点,离他的生活远一点。@任嘉伦Allen 💫 #周大生全球品牌代言人任嘉伦#...
“你永远是我一眼望不尽的欢喜”@任嘉伦Allen @嘉心有你199208 任嘉伦超话⚡⚡⚡任嘉伦@任嘉伦Allen 「我没有特别注意这个10年的节点。我只是有时忽然会觉得,原来我已经做演员这么多年了。我很珍视今天所获得的一切,所以我要一直努力奔跑。当你回头看,这一路上的困难和磨砺像一颗颗石子在不断硌脚,但这些...
Daitao ChenJohn Wiley & Sons, LtdChemInformBrummond, K.M.; Chen, D. Mo(CO)6- and [Rh(CO)2Cl]2-Catalyzed Allenic Cyclocarbonylation Reactions of Alkynones: Efficient Access to Bicyclic Dienediones. Org. Lett. 2008, 10, 1154-1156. [CrossRef]...
H Nakamura,T Sugiishi,Y Tanaka.Synthesis of allenes via CuBr-catalyzed homologation of alk-1-ynes accelerated by microwave. Tetrahedron Letters . 2008H Nakamura,T Sugiishi,Y Tanaka.Synthesis of allenes via CuBr-catalyzed homologation of alk-1-ynes accelerated by microwave.Tetrahedron Letters. ...
Condensation of Prop-2-ynyl Alcohols with 2-Alkylalk-2-enals. A Simple Synthesis of Allenic Aldehydesdoi:10.1070/MC1991v001n01ABEH000008The acid-catalysed condensation of tertiary prop-2-ynyl alcohols with 2-alkylalk-2-enals gave allenic aldehydes 5a–d....
Synthesis of Allenes via CuBr‐Catalyzed Homologation of Alk‐1‐ynes Accelerated by Microwave.doi:10.1002/CHIN.200912069Hiroyuki NakamuraTsuyuka SugiishiY. TanakaWILEY‐VCH VerlagChemInform
allenalscycloadditioneight-membered ringsrhodiumEight-membered carbocyclic compounds are widely found in natural products that have unique medical and biological activities. Transition-metal-catalyzed [m+n] and/or [m+n+o] cycloadditions (e.g., [4+4], [6+2], and [4+2+2]) are the most ...
allenes (acyclic compounds)alkynes (acyclic compounds)addition reactionsAllenoates (III) and threo-3-butynoates (V) are highly stereoselectively obtained by aldol reaction of allenoate with various aldehydes.doi:10.1002/chin.201531030JiyunDep.Bang...