作者:Joost T. M. van Dijk、Johan Lugtenburg、Jan Cornelisse
DOI:10.1039/p29950001489
日期:——
on the length of the alkyl chain. Attempts to aromatize the products resulted, except in the case of 5, in the fully aromatic pyrene derivatives cyclopenta[cd]pyrene, benzo[e]pyrene, pyrene and the new cyclopenta-fused pyrene derivative, 10,11-dihydro-9H cyclopenta[e]pyrene (9).
1-hydropyrenyl单阴离子(的反应性1 - )朝向1,2-二溴乙烷,1,3-二溴丙烷,1,4-二溴丁烷已审查。从这些反应中分离出六个新产物并进行了表征:螺[环丙烷-1,5 '-(1',5'-二氢py )](2),1,3a-二氢-1,3a-乙py(3),9 ,10,11,11a-四氢-8b H-环戊[ e ] py(4),2,3,3a,12a-四氢-1 H-环戊[ c ] c(5),3a-(3-溴丙基) -3,3a-二氢py (6)和8b,9,10,11,12,12a-六氢苯并[ e ] re (7)。这些产物的形成可以通过在位置3a和二溴烷烃的初始攻击的5合理化1 - 。初始ω-溴代烷基二氢py烯的去质子化导致分子内烷基化,其过程取决于烷基链的长度。除5种情况外,尝试进行芳构化的产品是完全芳香的pyr衍生物环戊[ cd ]],苯并[ e ] py,pyr和新的与环戊稠合的pyr衍生物10