作者:Paul Binger、Michael J. Doyle
DOI:10.1016/s0022-328x(00)82038-0
日期:1978.12
l) (VIII) was isolated by reaction of II with phenol. Methylene dibromide reacts with II to give III and 3,3,7,7-tetramethyl-trans-tricyclo[4.1.0.02,4]heptane (IV). With triethylaluminum and II complete exchange of the alkyl groups occurred and V was released on hydrolysis. Trifluoroborane diethyl ether and II gave 3,3,6,6-tetramethylcyclohexa-1,4-diene in a rearrangement-displacement reaction. The
标题化合物(II)在用马来酸酐,四氰基乙烯或亚磷酸三苯酯处理后进行还原消除,得到3,3,6,6,-四甲基-反式-三环[3.1.0.0 2,4 ]己烷(III)。用亚磷酸三苯酯还形成双(2,2-二甲基环丙基)(V)和1-(2,2-二甲基环丙基)-3-甲基-1,3-丁二烯(VI)。II用HCl,丙二酸或甲醇酸解得到V.中间体中间体α,α'-联吡啶基(苯氧基)-3-镍-1,1'-bi-(2,2'-二甲基环丙基)(VIII)为通过II与苯酚的反应分离。亚甲基二溴化物与II反应生成III和3,3,7,7-四甲基-反式-三环[4.1.0.0 2,4]庚烷(IV)。用三乙基铝和Ⅱ进行烷基的完全交换,并在水解时释放出V。三氟硼烷二乙醚和II在重排-置换反应中得到3,3,6,6-四甲基环己-1,4-二烯。II催化3,3-二甲基环丙烯(I)环化成III以及II可以从反应混合物中回收的事实为这些过渡金属催化的[