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Triethylamine → (1S,2R,4aS,5S,8R,8aR)-2-(acetyloxy)-5-((1R)-2-{4-[(4-chlorophenyl)oxy]piperidin-1-yl}-1-methylethyl)-8a-hydroxy-3,8-dimethyl-1, 2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl (2S,3aR,9bR)-6-chloro-9b-hydroxy-5-methyl-1,2,3,3a,5,9b-hexahydropyrrolo[2,3-c][2,1]benzoxazine-2-carboxylate

HRID 1727174
Notes
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Reaction equation

HRID 1727174 reaction equation
[Cl:1][C:2]1[C:11]2[N:10]([CH3:12])[O:9][C@H:8]3[NH:13][C@H:14]([C:16]([O:18][C@@H:19]4[C@:28]5([OH:29])[C@@H:23]([C@H:24]([CH:31]([CH3:34])[CH:32]=O)[CH2:25][CH2:26][C@H:27]5[CH3:30])[CH:22]=[C:21]([CH3:35])[C@H:20]4[O:36][C:37](=[O:39])[CH3:38])=[O:17])[CH2:15][C@@:7]3([OH:40])[C:6]=2[CH:5]=[CH:4][CH:3]=1.[Cl:41][C:42]1[CH:47]=[CH:46][C:45]([O:48][CH:49]2[CH2:54][CH2:53][NH:52][CH2:51][CH2:50]2)=[CH:44][CH:43]=1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(N(CC)CC)C>ClCCl.C(=O)([O-])O.[Na+]>[Cl:1][C:2]1[C:11]2[N:10]([CH3:12])[O:9][C@H:8]3[NH:13][C@H:14]([C:16]([O:18][C@@H:19]4[C@:28]5([OH:29])[C@@H:23]([C@H:24]([C@@H:31]([CH3:32])[CH2:34][N:52]6[CH2:53][CH2:54][CH:49]([O:48][C:45]7[CH:46]=[CH:47][C:42]([Cl:41])=[CH:43][CH:44]=7)[CH2:50][CH2:51]6)[CH2:25][CH2:26][C@H:27]5[CH3:30])[CH:22]=[C:21]([CH3:35])[C@H:20]4[O:36][C:37](=[O:39])[CH3:38])=[O:17])[CH2:15][C@@:7]3([OH:40])[C:6]=2[CH:5]=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 8471TriethylamineHCID 5049666Sodium triacetoxyborohydrideHCID 51998894-(4-Chlorophenoxy)piperidineHCID 86614045(1S,2R,4aS,5R,8R,8aR)-2-(acetyloxy)-8a-hydroxy-3,8-dimethyl-5-[1-methyl-2-oxoethyl]-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl (2S,3aR,9bR)-6-chloro-9b-hydroxy-5-methyl-1,2,3,3a,5,9b-hexahydropyrrolo[2,3-c][2,1]benzoxazine-2-carboxylate

Product 1

HCID 86614058
(1S,2R,4aS,5S,8R,8aR)-2-(acetyloxy)-5-((1R)-2-{4-[(4-chlorophenyl)oxy]piperidin-1-yl}-1-methylethyl)-8a-hydroxy-3,8-dimethyl-1, 2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl (2S,3aR,9bR)-6-chloro-9b-hydroxy-5-methyl-1,2,3,3a,5,9b-hexahydropyrrolo[2,3-c][2,1]benzoxazine-2-carboxylate
Yield 33.6%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolvent2×HCID 516892Sodium BicarbonateSolvent

Procedure

To a solution of (1S,2R,4aS,5R,8R,8aR)-2-(acetyloxy)-8a-hydroxy-3,8-dimethyl-5-[1-methyl-2-oxoethyl]-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl (2S,3aR,9bR)-6-chloro-9b-hydroxy-5-methyl-1,2,3,3a,5,9b-hexahydropyrrolo[2,3-c][2,1]benzoxazine-2-carboxylate (Preparation 141, 60 mg, 0.11 mmol) and 4-[(4-chlorophenyl)oxy]piperidine (Preparation 200, 25 mg, 0.1 mmol) was added dichloromethane (2 ml) and sodium triacetoxyborohydride (35 mg, 0.16 mmol), followed by triethylamine (0.02 ml, 0.17 mmol). The reaction mixture was stirred at room temperature for 17 h, before diluting with dichloromethane (5 ml) and saturated aqueous sodium hydrogen carbonate (3 ml). The reaction mixture was shaken vigorously and the layers were separated using a hydrophobic filter cartridge. The filtrate was concentrated under a stream of nitrogen and purified to give the title compound (26 mg).

Workup

  1. stirringThe reaction mixture was shaken vigorously
  2. customthe layers were separated
  3. concentrationThe filtrate was concentrated under a stream of nitrogen
  4. custompurified

Sources & evidence

ORD record
ord-de29832e215e4221b4b6c284d1f5d000
Source dataset
uspto-grants-2009_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07494992B2

Reaction notes

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