The syntheses and crystal structures of exo-2,exo-6-dihydroxybicyclo[3.3.1]nonane and exo-2,exo-6-dihydroxy-2,6-diethylbicyclo[3.3.1]nonane which do not contain the host helical canals of crystalline exo-2,exo-6-dihydroxy-2,6-dimethylbicyclo[3.3.1]nonane
作者:Roger Bishop、Shamima Choudhury、Ian Dance
DOI:10.1039/p29820001159
日期:——
hydrogen-bonded helical canal host structure of crystalline exo-2,exo-6-dihydroxy-2,6-dimethylbicyclo[3.3.1]nonane (2), the title compounds which involve a minor substituent change at the 2,6 positions were synthesised. Crystals of exo-2,exo-6-dihydroxybicyclo[3.3.1]nonane (1) and exo-2,exo-6-dihydroxy-2,6-diethylbicyclo[3.3.1]nonane (3) represent two fully hydrogen-bonded structure types distinctly
为了改变晶体exo -2,exo -6-二羟基-2,6-二甲基双环[3.3.1]壬烷(2)的氢键合螺旋管主体结构的尺寸,这些标题化合物涉及少量合成了在2,6位的取代基变化。exo -2,exo -6-二羟基双环[3.3.1]壬烷(1)的晶体和exo -2,exo -6-二羟基-2,6-二乙基双环[3.3.1]壬烷(3)的晶体表示两个完全氢-键结构类型与(2)的根管结构以及彼此之间明显不同。立体化学分析未发现这些化合物的晶体结构与分子结构有任何显着相关性:晶体数据,(1)P2 1 / c,a 1 297.0(2),b 1 359.1(2),c 1 115.0(2)pm,β118.68(2)°,Z 8(×C 9 H 16 O 2),R 0.046(3 049个数据);(3)Fdd2,a 1 275.6(2),b 1 666.1(2),c 2 326.6(3)pm,Z 16(×C 13 H 24