1,3-dicaffeoylquinic acid 、
槲皮素 在
Laccase DAIWA Y
120 作用下,
以
水 为溶剂,
反应 0.52h,
生成
(1R,3R,4S,5R)-1-[3-[5a-(3,4-dihydroxyphenyl)-1,3,11a-trihydroxy-12-oxochromeno[3,2-b][1,4]benzodioxin-9-yl]prop-2-enoyloxy]-3-[3-(3,4-dihydroxyphenyl)prop-2-enoyloxy]-4,5-dihydroxycyclohexane-1-carboxylic acid 、
(1R,3R,4S,5R)-3-[3-[5a-(3,4-dihydroxyphenyl)-1,3,11a-trihydroxy-12-oxochromeno[3,2-b][1,4]benzodioxin-9-yl]prop-2-enoyloxy]-1-[3-(3,4-dihydroxyphenyl)prop-2-enoyloxy]-4,5-dihydroxycyclohexane-1-carboxylic acid 、
(1R,3R,4S,5R)-1-[3-[5a-(3,4-dihydroxyphenyl)-1,3,11a-trihydroxy-12-oxochromeno[2,3-b][1,4]benzodioxin-8-yl]prop-2-enoyloxy]-3-[3-(3,4-dihydroxyphenyl)prop-2-enoyloxy]-4,5-dihydroxycyclohexane-1-carboxylic acid 、
(1R,3R,4S,5R)-3-[3-[5a-(3,4-dihydroxyphenyl)-1,3,11a-trihydroxy-12-oxochromeno[2,3-b][1,4]benzodioxin-8-yl]prop-2-enoyloxy]-1-[3-(3,4-dihydroxyphenyl)prop-2-enoyloxy]-4,5-dihydroxycyclohexane-1-carboxylic acid 、 (1R,3R,4S,5R)-3-[3-[5a-(3,4-dihydroxyphenyl)-1,3,11a-trihydroxy-12-oxochromeno[2,3-b][1,4]benzodioxin-8-yl]prop-2-enoyloxy]-1-[3-[5a-(3,4-dihydroxyphenyl)-1,3,11a-trihydroxy-12-oxochromeno[3,2-b][1,4]benzodioxin-9-yl]prop-2-enoyloxy]-4,5-dihydroxycyclohexane-1-carboxylic acid 、 (1R,3R,4S,5R)-1-[3-[5a-(3,4-dihydroxyphenyl)-1,3,11a-trihydroxy-12-oxochromeno[2,3-b][1,4]benzodioxin-8-yl]prop-2-enoyloxy]-3-[3-[5a-(3,4-dihydroxyphenyl)-1,3,11a-trihydroxy-12-oxochromeno[3,2-b][1,4]benzodioxin-9-yl]prop-2-enoyloxy]-4,5-dihydroxycyclohexane-1-carboxylic acid 、 (1R,3R,4S,5R)-1,3-bis[3-[5a-(3,4-dihydroxyphenyl)-1,3,11a-trihydroxy-12-oxochromeno[3,2-b][1,4]benzodioxin-9-yl]prop-2-enoyloxy]-4,5-dihydroxycyclohexane-1-carboxylic acid 、 (1R,3R,4S,5R)-1,3-bis[3-[5a-(3,4-dihydroxyphenyl)-1,3,11a-trihydroxy-12-oxochromeno[2,3-b][1,4]benzodioxin-8-yl]prop-2-enoyloxy]-4,5-dihydroxycyclohexane-1-carboxylic acid