Photosantoninic Acidの構造研究 (第1報)
1963 年 83 巻 6 号 p. 561-566
詳細
1963 年 83 巻 6 号 p. 561-566
The function of oxygen in photosantoninic acid, C30H42O9, one of the ultraviolet irradiation products of santonin, was disclosed by the reaction shown in Chart 1 and by the examinations of infrared and NMR spectra. This photo-product has one mole of water of crystallization difficult to remove, and is a heptacyclic compound possessing two ketones, one ether likage, and a γ- monohydroxy-dicarboxylic acid grouping, as is expressed in the partial structure (XVII).
