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. 2024 Sep 29;29(19):4634. doi: 10.3390/molecules29194634

Table 2.

Naturally occurring hydrogenation derivatives of 3′-8″ -biflavones.

graphic file with name molecules-29-04634-i002.jpg graphic file with name molecules-29-04634-i003.jpg
Nr. Compound (a) R1 R2 R3 R4 R5
37. (2S)-2,3-dihydroamentoflavone OH H OH OH OH
38. 2,3-dihydrosciadopitysin OCH3 H OCH3 OH OCH3
39. 2,3-dihydroisoginkgetin OH H OCH3 OH OCH3
40. 2,3-dihydro-7,7″-dimethoxyamentoflavone OCH3 H OH OCH3 OH
41. 2,3-dihydro-6-methylginkgetin OCH3 CH3 OCH3 OH OH
42. 2,3-dihydroamentoflavone-7″,4‴-dimethyl ether OCH3 H OCH3 OH OH
43. (2S)-2,3-dihydro-4′-O-methylamentoflavone OH H OCH3 OH OH
44. (2S,2″S)-2,3-dihydro-4′,4‴-di-O-methylamentoflavone OH H OCH3 OH OCH3
45. 2,3-dihydro-4‴-O-methylamentoflavone OH H OH OH OCH3
Compound (b) R3 R5
46. (2S,2″S)-2,3,2″,3″-tetrahydroamentoflavone-4′-methyl ether OCH3 OH
47. (2S,2″S)-2,3,2″,3″-tetrahydroamentoflavone OH OH
48. (2S,2″S)-2,3,2″,3″-tetrahydro-4′-O-methylamentoflavone OCH3 OH
49. (2S,2″S)-2,3,2″,3″-tetrahydro-4′,4‴-di-O-methylamentoflavone
(tetrahydroisoginkgetin)		 OCH3 OCH3