1,3-Benzenedicarboxylic acid,2-hydroxy-4-methoxy-6-methyl-,1-(3-carboxy-5-formyl-4,6-dihydroxy-2-methylphenyl)ester

Thamnolic acid

雪茶酸;地茶衣酸;萨姆醇酸;硬毛松萝酸;

Ocellatic acid,Hirtellic acid

420.33

浅黄色粉末(丙酮),mp220-222℃(分解);浅黄色针晶(二氧六环),mp210～212℃(分解)。MSm/z:360(0.25),332(0.36),226(6),209(15),208(6),192(5),191(43),190(9),182(16),169(7),168(67),167(40),166(24),165(68),164(53),150(5),139(6),138(13),137(5),136(20),122(16),121(24),109(5),94(5),93(8),77(5),69(6),67(5),66(7),65(10),53(11),51(7),44(100),43(9)。尚有亚稳峰:191.4,174.6,147.8,133.8,161.2,114.0,112.9,106.1,99.8。13CNMR。

抗菌作用。抑制金黄色葡萄球菌生长的最高稀释度<1:5000。

缩酚酸 depside

1.石蕊科(Cladoraceae) 掌石蕊 Cladonia digitata Schaer. 2.茶渍科(Lecanoraceae) 赤星衣 Haematomma ventosum(L.)Mass. 3.鸡皮衣科(Pertusariaceae) 珊瑚鸡皮衣* Pertusaria corallina(L.)Arn. 4.地茶科(Thamnoliaceae) 雪茶 Thamnolia vermicularis(Sw.)Ach. 5.松萝科(Usneaceae) 硬毛松萝* Usnea hirta(L.)Wigg.em Mot.

484-55-9

《植物活性成分辞典》

C19H16O11