The Synthesis of 4b, 5, 12, 12a-Tetrahydro-5, 12-ethano-13H-indeno[2,3-b]anthracenes, 4b, 5, 10, 10a - tetrahydro-5,10-ethano-11H-indeno[2,3-b]naphtalenes and 1,2,3,4,4a, 9a-Hexahydro-1,4-(peri-naphthaleno)-fluorenes
作者:Walter Amrein、Kurt Schaffner
DOI:10.1002/hlca.19750580208
日期:——
The synthesis of endo- and exo-13-oxo-4b, 5, 12, 12a-tetrahydro-5, 12-ethanoindeno[2,3-b]anthracene (23; Schemes 1 and 2), exo- and endo-11-oxo-4b, 5, 10, 10a-tetrahydro-5, 10-ethano-indeno[2,3-b]naphthalene (31; Scheme 3), 1,2,3,4,4a,9a-hexahydro−1,4-(peri-naphthaleno)-fluoren-9-one (36; Scheme 4), and the corresponding hydrocarbons of the stereoisomeric ketone pairs 23 and 36, is described.
合成内切-和外切-13-氧4B,图5,图12,图12a-四氢5,12-ethanoindeno [2,3- b ]蒽(23 ;方案1和2),外切-和内切-11 -oxo-4b,5、10、10a-四氢-5、10-乙基茚并[2,3- b ]萘(31 ;方案3),1,2,3,4,4a,9a-hexahydro-1 ,4-(围naphthaleno)芴-9-酮(36 ;方案4),以及立体异构酮对相应的烃23和36,进行说明。