4-(Chloromethyl)-2-methyl-1,3-thiazole--hydrogen chloride (1/1) → 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-((2-methylthiazol-4-yl)methylamino)-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
Reaction equation
CN(C)C(=O)C[NH:5][C@:6]12[CH2:40][CH2:39][C@@H:38]([C:41]([CH3:43])=[CH2:42])[C@@H:7]1[C@@H:8]1[C@@:21]([CH3:24])([CH2:22][CH2:23]2)[C@@:20]2([CH3:25])[C@@H:11]([C@:12]3([CH3:37])[C@@H:17]([CH2:18][CH2:19]2)[C:16]([CH3:27])([CH3:26])[C:15]([C:28]2[CH:36]=[CH:35][C:31]([C:32]([OH:34])=[O:33])=[CH:30][CH:29]=2)=[CH:14][CH2:13]3)[CH2:10][CH2:9]1.Cl.Cl[CH2:48][C:49]1[N:50]=[C:51]([CH3:54])[S:52][CH:53]=1>>[CH3:24][C@:21]12[C@@:20]3([CH3:25])[C@@H:11]([C@:12]4([CH3:37])[C@@H:17]([CH2:18][CH2:19]3)[C:16]([CH3:26])([CH3:27])[C:15]([C:28]3[CH:36]=[CH:35][C:31]([C:32]([OH:34])=[O:33])=[CH:30][CH:29]=3)=[CH:14][CH2:13]4)[CH2:10][CH2:9][C@@H:8]1[C@H:7]1[C@H:38]([C:41]([CH3:43])=[CH2:42])[CH2:39][CH2:40][C@:6]1([NH:5][CH2:48][C:49]1[N:50]=[C:51]([CH3:54])[S:52][CH:53]=1)[CH2:23][CH2:22]2Participants
Reactant 2
Product 1
Procedure
The title compound was prepared following the method described above for the synthesis of 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-(2-(dimethylamino)-2-oxoethylamino)-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 using 4-(chloromethyl)-2-methylthiazole hydrochloride as the alkylating agent in Step 1. MS: m/e 641.5 (M+H)+, 1.56 min (method 12). 1H NMR (400 MHz, CHLOROFORM-d) δ ppm 0.96 (s, 3H) 0.97 (s, 3H) 1.02 (s, 3H) 1.10 (s, 3H) 1.26 (s, 3H) 1.71 (s, 3H) 0.88-1.83 (m, 16H) 1.89-2.04 (m, 3H) 2.08-2.21 (m, 1H) 2.14 (dd, J=17.19, 6.15 Hz, 1H) 2.22-2.30 (m, 1H) 2.33-2.45 (m, 1H) 2.68 (s, 3H) 4.09 (d, J=13.05 Hz, 1H) 4.64 (d, J=12.80 Hz, 1H) 4.69 (s, 1H) 4.80 (s, 1H) 5.32 (d, J=4.52 Hz, 1H) 7.24 (d, J=8.28 Hz, 2H) 7.28 (s, 1H) 8.00 (d, J=8.28 Hz, 2H).
Workup
- customm/e 641.5 (M+H)+, 1.56 min (method 12)
Sources & evidence
- ORD record
- ord-0c19efb988f7491da4dfc70ead71a9e7
- Source dataset
- uspto-grants-2014_09
- Patent number
- US08846647B2
Reaction notes
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