环丙基[ b ]萘(3a)的三羰基铬配合物在Bu(C)在C(1)处去质子化。将所得阴离子用Mel淬灭,得到立体异构甲基衍生物6a和6b的1:1混合物。双甲硅烷基化的配合物3b的彼得森烯化以低收率提供了配合物的亚烷基环戊烯5。环丙烷[ b ]蒽(10)的三羰基铬配合物可通过9的双氢脱甲硅烷基化获得。还报道了它的X射线结构。尝试合成苯并环丙烯的三羰基铬配合物(11a)失败。
(1a) or 1H-cyclopropa[b]anthracene (10a) with tris(acetonitrile)tricarbonylchromium affords cyclobutanaphthalenone and cyclobutaanthracenone 2 and 11, respectively. In contrast, the bis-silylated Cycloproparenes 1b and 10b undergo complexation at the terminal benzene ring and lead to the arene-tricarbonylchromium complexes 4b and 12, respectively. Desifylation of 4b to 4a is effected by t-BuOK.
1 H-环丙烷[ b ]萘(1a)或1 H-环丙烷[ b ]蒽(10a)与三(乙腈)三羰基铬反应,分别得到环丁萘醌和环丁蒽蒽酮2和11。相反,双甲硅烷基化的环丙烷1b和10b在末端苯环处发生络合并分别导致芳烃-三羰基铬络合物4b和12。的Desifylation图4b至图4a是由实现吨-BuOK。
Organometallic Derivatives of Cycloproparenes
作者:Paul Müller、Gérald Bernardinelli、Yvan Jacquier
DOI:10.1002/hlca.19920750624
日期:1992.10.2
The tricarbonylchromium complex of cyclopropa[b]naphthalene (3a) is deprotonated at C(1) with BuLi. Quenching of the resulting anion with Mel results in a 1:1 mixture of stereoisomeric methyl derivatives 6a and 6b. Peterson olefination of the bis-silylated complex 3b affords the complexed alkylidenecycloproparene 5 in low yield. The tricarbonylchromium complex of cyclopropa[b]anthracene (10) is accessible
环丙基[ b ]萘(3a)的三羰基铬配合物在Bu(C)在C(1)处去质子化。将所得阴离子用Mel淬灭,得到立体异构甲基衍生物6a和6b的1:1混合物。双甲硅烷基化的配合物3b的彼得森烯化以低收率提供了配合物的亚烷基环戊烯5。环丙烷[ b ]蒽(10)的三羰基铬配合物可通过9的双氢脱甲硅烷基化获得。还报道了它的X射线结构。尝试合成苯并环丙烯的三羰基铬配合物(11a)失败。