HCID 2759307, compound → HCID 60151818, compound

HRID 85578Notes

Reaction equation

HRID 85578 reaction equation
[NH2:1][C@:2]12[CH2:37][CH2:36][C@@H:35]([C:38]([CH3:40])=[CH2:39])[C@@H:3]1[C@@H:4]1[C@@:17]([CH3:20])([CH2:18][CH2:19]2)[C@@:16]2([CH3:21])[C@@H:7]([C@:8]3([CH3:34])[C@@H:13]([CH2:14][CH2:15]2)[C:12]([CH3:23])([CH3:22])[C:11]([C:24]2[CH:33]=[CH:32][C:27]([C:28]([O:30]C)=[O:29])=[CH:26][CH:25]=2)=[CH:10][CH2:9]3)[CH2:6][CH2:5]1.CN(C)CCC(N[C@]12CC[C@@H](C(C)=C)[C@@H]1[C@@H]1[C@@](C)(CC2)[C@@]2(C)[C@@H]([C@]3(C)[C@@H](CC2)C(C)(C)C(C2C=CC(C(O)=O)=CC=2)=CC3)CC1)=O.Cl.Cl.[OH:89][CH2:90][CH2:91][N:92]1[CH2:97][CH2:96][N:95]([CH2:98][C:99](O)=[O:100])[CH2:94][CH2:93]1>>[OH:89][CH2:90][CH2:91][N:92]1[CH2:97][CH2:96][N:95]([CH2:98][C:99]([NH:1][C@:2]23[CH2:37][CH2:36][C@@H:35]([C:38]([CH3:40])=[CH2:39])[C@@H:3]2[C@@H:4]2[C@@:17]([CH3:20])([CH2:18][CH2:19]3)[C@@:16]3([CH3:21])[C@@H:7]([C@:8]4([CH3:34])[C@@H:13]([CH2:14][CH2:15]3)[C:12]([CH3:22])([CH3:23])[C:11]([C:24]3[CH:33]=[CH:32][C:27]([C:28]([OH:30])=[O:29])=[CH:26][CH:25]=3)=[CH:10][CH2:9]4)[CH2:6][CH2:5]2)=[O:100])[CH2:94][CH2:93]1

Participants

4

Reactant 3

HCID 2759307HCID 2759307, compoundHCID 683578604-((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 acidHCID 68357865methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-amino-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-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

Product 1

HCID 60151818HCID 60151818, compoundYield 23%

Procedure

The title compound was prepared in 23% 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 [4-(2-hydroxy-ethyl)-piperazine-1-yl]-acetic acid dihydrochloride was used instead of 3-(dimethylamino)propionic acid hydrochloride in Step 1. LCMS: m/e 700.6 (M+H)+, 2.03 min (method 6). 1H NMR (500 MHz, 1:1 CDCl3:MeOD) δ=7.92 (d, J=8.5 Hz, 2H), 7.20 (d, J=8.5 Hz, 2H), 6.96 (s, 1H), 5.30 (dd, J=1.7, 6.0 Hz, 1H), 4.76 (s, 1H), 4.66 (s, 1H), 3.93-3.89 (m, 2H), 3.42 (br. s., 2H), 3.30-3.25 (m, 2H), 3.22 (d, J=4.6 Hz, 2H), 2.97 (br. s., 3H), 2.68-2.60 (m, 1H), 2.55-2.47 (m, 1H), 2.44 (dd, J=8.2, 12.5 Hz, 1H), 2.13 (dd, J=6.4, 17.1 Hz, 1H), 1.91-1.77 (m, 2H), 1.75 (br. s., 1H), 1.72 (s, 3H), 1.72-1.68 (m, 1H), 1.62-1.31 (m, 11H), 1.30-1.24 (m, 1H), 1.15 (d, J=13.1 Hz, 2H), 1.08 (s, 3H), 1.05 (s, 3H), 1.02 (s, 3H), 0.95 (s, 3H), 0.94 (s, 3H).

Workup

  1. customm/e 700.6 (M+H)+, 2.03 min (method 6)

Sources & evidence

ORD record
ord-f7259a8bb5a14c9db5c5bd6060df7e26
Source dataset
uspto-grants-2014_09
Patent number
US08846647B2

Reaction notes

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