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2-Methylpyrrolidine → HCID 57732766, compound

HRID 1806394
Notes
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Reaction equation

HRID 1806394 reaction equation
[CH2:1]([S:3]([N:6]1[CH2:11][CH2:10][CH:9]([C:12]2[C:20]3[C:15](=[C:16]([C:28]([NH2:30])=[O:29])[CH:17]=[C:18]([C:21]4[CH:25]=[C:24]([CH:26]=O)[S:23][CH:22]=4)[CH:19]=3)[NH:14][CH:13]=2)[CH2:8][CH2:7]1)(=[O:5])=[O:4])[CH3:2].[CH3:31][CH:32]1[CH2:36][CH2:35][CH2:34][NH:33]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>CS(C)=O.C(O)(=O)C>[CH2:1]([S:3]([N:6]1[CH2:11][CH2:10][CH:9]([C:12]2[C:20]3[C:15](=[C:16]([C:28]([NH2:30])=[O:29])[CH:17]=[C:18]([C:21]4[CH:25]=[C:24]([CH2:26][N:33]5[CH2:34][CH2:35][CH2:36][C@H:32]5[CH3:31])[S:23][CH:22]=4)[CH:19]=3)[NH:14][CH:13]=2)[CH2:8][CH2:7]1)(=[O:4])=[O:5])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 130032-MethylpyrrolidineHCID 5049666Sodium triacetoxyborohydrideHCID 577327033-[1-(ethylsulfonyl)-4-piperidinyl]-5-(5-formyl-3-thienyl)-1H-indole-7-carboxamide

Product 1

HCID 57732766HCID 57732766, compound

Reagents, catalysts & solvents 2

HCID 176Acetic AcidCatalyst
HCID 679
Dimethyl Sulfoxide
Solvent

Procedure

To a solution of 3-[1-(ethylsulfonyl)-4-piperidinyl]-5-(5-formyl-3-thienyl)-1H-indole-7-carboxamide (600 mg, 1.35 mmol) in dimethyl sulfoxide (10 mL) was added of 20 drops of acetic acid and 2-methylpyrrolidine (1.37 mL, 13.5 mmol). The resulting mixture was stirred at room temperature for 6 h followed by an addition of sodium triacetoxyborohydride (2.86 g, 13.5 mmol). The reaction was stirred at room temperature overnight then purified by Gilson Preparatory HPLC. This compound was then separated to give the title compound as 98.6% chirally pure.

Workup

  1. stirringThe reaction was stirred at room temperature overnight
  2. customthen purified by Gilson Preparatory HPLC
  3. customThis compound was then separated

Sources & evidence

ORD record
ord-34abfacd13fe4f4588d9ccef822595ad
Source dataset
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08354406B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes