Marvin 11201216392D 39 44 0 0 0 0 999 V2000 2.3227 -3.3243 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 3.0399 -3.7383 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 3.0379 -2.0853 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 2.3178 -2.5004 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 3.7551 -2.4994 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 3.7493 -3.3263 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 4.4605 -3.7388 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 4.4628 -2.0843 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 5.1797 -2.5025 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 5.1826 -3.3276 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 5.8951 -3.7374 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 6.6105 -3.3277 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 5.8930 -2.0892 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 6.6084 -2.5084 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 7.3211 -2.0980 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 7.3299 -1.2686 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 6.6145 -0.8495 0.0000 C 0 0 2 0 0 0 0 0 0 0 0 0 5.8903 -1.2597 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 6.6158 -0.0267 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 7.3391 0.3814 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 7.3448 1.2081 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 6.6312 1.6289 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 5.9116 1.2187 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 5.9021 0.3899 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1.6028 -3.7398 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 1.4882 -2.5062 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1.9021 -1.7890 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 3.0370 -1.2598 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 4.4651 -1.2608 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 8.0370 -2.5143 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 7.3238 -3.7400 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 5.8944 -4.5613 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 2.3219 -4.1445 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 3.7493 -4.1487 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 5.1817 -0.8530 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 5.1843 -0.0304 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 4.4719 0.3841 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 3.7552 -0.0301 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 3.7561 -0.8514 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 17 18 1 0 0 0 0 19 20 2 0 0 0 0 9 8 1 0 0 0 0 9 10 1 0 0 0 0 5 3 1 0 0 0 0 3 4 1 0 0 0 0 5 6 2 0 0 0 0 19 24 1 0 0 0 0 20 21 1 0 0 0 0 21 22 2 0 0 0 0 22 23 1 0 0 0 0 23 24 2 0 0 0 0 17 19 1 6 0 0 0 9 13 2 0 0 0 0 1 25 2 0 0 0 0 10 11 2 0 0 0 0 4 26 1 0 0 0 0 11 12 1 0 0 0 0 4 27 1 0 0 0 0 12 14 2 0 0 0 0 3 28 2 0 0 0 0 13 14 1 0 0 0 0 8 29 1 0 0 0 0 1 2 1 0 0 0 0 15 30 2 0 0 0 0 1 4 1 0 0 0 0 12 31 1 0 0 0 0 2 6 1 0 0 0 0 11 32 1 0 0 0 0 5 8 1 0 0 0 0 2 33 1 0 0 0 0 6 7 1 0 0 0 0 2 34 1 0 0 0 0 7 10 1 0 0 0 0 29 35 2 0 0 0 0 13 18 1 0 0 0 0 35 36 1 0 0 0 0 14 15 1 0 0 0 0 36 37 2 0 0 0 0 15 16 1 0 0 0 0 37 38 1 0 0 0 0 16 17 1 0 0 0 0 38 39 2 0 0 0 0 39 29 1 0 0 0 0 M END > CHEBI:65490 > BF 6 > An organic heterotetracyclic compound that is 8,12-dihydro-2H,9H-pyrano[2,3-a]xanthene-4,9,11(3H,10H)-trione substituted by methyl groups at positions 6, 8, 8, 10 and 10 and phenyl groups at positions 2 and 12 respectively (the S-enantiomer). It is isolated from the leaves of Baeckea frutescens and exhibits cytotoxicity against leukemia cells. > 3 > Baeckea frutescens 6 > (2S)-5-hydroxy-6,8,8,10,10-pentamethyl-2,12-diphenyl-8,12-dihydro-2H,9H-pyrano[2,3-a]xanthene-4,9,11(3H,10H)-trione > C33H30O6 > 522.58770 > 522.20424 > 0 > Cc1c(O)c2C(=O)C[C@H](Oc2c2C(c3ccccc3)C3=C(Oc12)C(C)(C)C(=O)C(C)(C)C3=O)c1ccccc1 > InChI=1S/C33H30O6/c1-17-26(35)23-20(34)16-21(18-12-8-6-9-13-18)38-28(23)24-22(19-14-10-7-11-15-19)25-29(36)32(2,3)31(37)33(4,5)30(25)39-27(17)24/h6-15,21-22,35H,16H2,1-5H3/t21-,22?/m0/s1 > XFYRJHANHCHCTK-HMTLIYDFSA-N $$$$