반응 #172773

ord-f53c164419bb473eb6ebe7638ee379ea

반응 방정식

C=C(C)[C@@H]1CC[C@]2(NC(=O)CCN(C)C)CC[C@]3(C)[C@H](CC[C@@H]4[C@@]5(C)CC=C(c6ccc(C(=O)O)cc6)C(C)(C)[C@@H]5CC[C@]43C)[C@@H]12
4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-(3-(dimethylamino)propanamido)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid
O=C(O)CN1CCOC1=O
2-(2-oxooxazolidin-3-yl)acetic acid
C=C(C)[C@@H]1CC[C@]2(N)CC[C@]3(C)[C@H](CC[C@@H]4[C@@]5(C)CC=C(c6ccc(C(=O)OC)cc6)C(C)(C)[C@@H]5CC[C@]43C)[C@@H]12
methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoate
→
C=C(C)[C@@H]1CC[C@]2(NC(=O)CN3CCOC3=O)CC[C@]3(C)[C@H](CC[C@@H]4[C@@]5(C)CC=C(c6ccc(C(=O)O)cc6)C(C)(C)[C@@H]5CC[C@]43C)[C@@H]12
title compound
수율 29.0%
C=C(C)[C@@H]1CC[C@]2(NC(=O)CN3CCOC3=O)CC[C@]3(C)[C@H](CC[C@@H]4[C@@]5(C)CC=C(c6ccc(C(=O)O)cc6)C(C)(C)[C@@H]5CC[C@]43C)[C@@H]12
4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-(2-(2-oxooxazolidin-3-yl)acetamido)-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid
수율 29.0%

반응물

C=C(C)[C@@H]1CC[C@]2(NC(=O)CCN(C)C)CC[C@]3(C)[C@H](CC[C@@H]4[C@@]5(C)CC=C(c6ccc(C(=O)O)cc6)C(C)(C)[C@@H]5CC[C@]43C)[C@@H]12
4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-(3-(dimethylamino)propanamido)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid
O=C(O)CN1CCOC1=O
2-(2-oxooxazolidin-3-yl)acetic acid
C=C(C)[C@@H]1CC[C@]2(N)CC[C@]3(C)[C@H](CC[C@@H]4[C@@]5(C)CC=C(c6ccc(C(=O)OC)cc6)C(C)(C)[C@@H]5CC[C@]43C)[C@@H]12
methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoate

시약

없음

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    기타m/e 657.5 (M+H)+, 1.97 min (method 6)

실험 절차

The title compound was prepared in 29% yield from methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoate following the same procedure as described for the preparation of 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-(3-(dimethylamino)propanamido)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid, except 2-(2-oxooxazolidin-3-yl)acetic acid was used instead of 3-(dimethylamino)propionic acid hydrochloride in Step 1. LCMS: m/e 657.5 (M+H)+, 1.97 min (method 6). 1H NMR (500 MHz, 1:1 CDCl3:MeOD) δ=7.92 (d, J=8.2 Hz, 2H), 7.20 (d, J=8.5 Hz, 2H), 6.82 (s, 1H), 5.29 (dd, J=1.7, 6.3 Hz, 1H), 4.76 (d, J=1.5 Hz, 1H), 4.64 (s, 2H), 4.43 (dt, J=1.7, 8.2 Hz, 2H), 3.98-3.84 (m, 2H), 3.74 (t, J=8.1 Hz, 2H), 2.69-2.56 (m, 2H), 2.40 (dd, J=8.1, 12.4 Hz, 1H), 2.13 (dd, J=6.4, 17.1 Hz, 1H), 1.98-1.81 (m, 2H), 1.81-1.75 (m, 1H), 1.73 (br. s., 1H), 1.71 (s, 3H), 1.70-1.65 (m, 1H), 1.61-1.43 (m, 7H), 1.42-1.29 (m, 4H), 1.29-1.21 (m, 2H), 1.16-1.12 (m, 1H), 1.10 (s, 3H), 1.02 (s, 3H), 1.02 (s, 3H), 0.95 (s, 3H), 0.94 (s, 3H).

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US08846647B2uspto-grants-2014_09