銀杏內酯A
中文名稱:銀杏內酯A
中文別名 :銀杏內酯 A
英文名稱:Ginkgolide A
英文別名:Ginkgolide A; BN 52020; 9H-1,7a-(Epoxymethano)-1H,6aH-cyclopenta(c)furo(2,3-b)furo(3',2':3,4)cyclopenta(1,2-d)furan-5,9,12(4H)-trione, 3-(1,1-dimethylethyl)hexahydro-4,7b-dihydroxy-8-methyl-, (1R,3S,3aS,4R,6aR,7aR,7bR,8S,10aS,11aS)-; 9H-1,7a-(Epoxymethano)-1H,6aH-cyclopenta(c)furo(2,3-b)furo(3',2':3,4)cyclopenta(1,2-d)furan-5,9,12(4H)-trione, 3-(1,1-dimethylethyl)hexahydro-4,7b-dihydroxy-8-methyl-, (1R-(1alpha,3beta,3aS*,4beta,6aalpha,7aalpha,7balpha,8alpha,10aalpha,11 aS*))-; 9H-1,7a-(Epoxymethano)-1H,6aH-cyclopenta(c)furo(2,3-b)furo(3',2':3,4)cyclopenta(1,2-d)furan-5,9,12(4H)-trione, 3-tert-butylhexahydro-4,7b-dihydroxy-8-methyl-; (3aR,4aR,4bR,5S,7aS,9R,11S)-11-tert-butyl-1,4b-dihydroxy-5-methyltetrahydro-4bH,9H-9,4a-(epoxymethano)cyclopenta[c]furo[2,3-b]furo[3',2':3,4]cyclopenta[1,2-d]furan-2,6,13(1H,5H)-trione; (1R,3aR,4bR,5S,7aS,9R,11S)-11-tert-butyl-1,4b-dihydroxy-5-methyltetrahydro-4bH,9H-9,4a-(epoxymethano)cyclopenta[c]furo[2,3-b]furo[3',2':3,4]cyclopenta[1,2-d]furan-2,6,13(1H,5H)-trione
CAS號:15291-75-5
分子式:C20H24O9
分子量:408.3992
密度:1.56g/cm3
熔點:330-332℃
沸點:710.1°C at 760 mmHg
閃點:256.5°C
來源:銀杏科植物銀杏Ginkgo biloba L. 的干燥葉
性狀:白色針晶。
溶解性:溶解于乙酸乙酯、甲醇、乙醇、二甲亞砜等溶劑。
藥理作用:對應激性潰瘍有顯著的預防作用,對*能損傷記憶功能具有恢復作用,能防止ChAT活力降低,緩解和改善心肌缺血作用,可阻抑DAD的發生,并有抗焦慮作用。
包裝說明:毫克級,克級