中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2-(2-(4-methoxybenzoyl)phenyl)acetic acid | 50439-04-8 | C16H14O4 | 270.285 |
—— | 2(4-Methoxybenzyl)benzylalkohol | 10324-43-3 | C15H16O2 | 228.291 |
3-(4-甲氧基苯基)-1H-茚 | 3-(4-methoxyphenyl)-1H-indene | 38199-92-7 | C16H14O | 222.287 |
For the purpose of correlation of chemical shifts and geminal coupling constants with stereochemistry a number of compounds of fixed geometry have been synthesized. These include seven 6-substituted 1-phenylphthalans, five 6-substituted 2-methyl-1-phenylisoindolines, and six 2-substituted 5H-dibenzo-[a,d]cycloheptene oxides. The geometrical properties of the three ring systems are discussed and arguments in favor of a quasi-equatorial epoxide substituent in the latter series are supported by n.O.e. measurements.