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1-Hydroxybenzotriazole → 6-(5-[1-[4-(cyclopropylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl]-1H-pyrrol-2-yl)-N-(2-hydroxy-2-methylpropyl)pyridine-3-carboxamide

HRID 1882037
Notes
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Reaction equation

HRID 1882037 reaction equation
[CH:1]1([S:4]([C:7]2[CH:12]=[CH:11][C:10]([CH:13]([C:21]3[NH:25][C:24]([C:26]4[N:31]=[CH:30][C:29]([C:32]([OH:34])=O)=[CH:28][CH:27]=4)=[CH:23][CH:22]=3)[CH2:14][CH:15]3[CH2:20][CH2:19][O:18][CH2:17][CH2:16]3)=[CH:9][CH:8]=2)(=[O:6])=[O:5])[CH2:3][CH2:2]1.[NH2:35][CH2:36][C:37]([CH3:40])([OH:39])[CH3:38].Cl.CN(C)CCCN=C=NCC.ON1C2C=CC=CC=2N=N1>CN(C)C=O.O.C(N(CC)CC)C>[CH:1]1([S:4]([C:7]2[CH:12]=[CH:11][C:10]([CH:13]([C:21]3[NH:25][C:24]([C:26]4[N:31]=[CH:30][C:29]([C:32]([NH:35][CH2:36][C:37]([OH:39])([CH3:40])[CH3:38])=[O:34])=[CH:28][CH:27]=4)=[CH:23][CH:22]=3)[CH2:14][CH:15]3[CH2:16][CH2:17][O:18][CH2:19][CH2:20]3)=[CH:9][CH:8]=2)(=[O:6])=[O:5])[CH2:2][CH2:3]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 757711-HydroxybenzotriazoleHCID 951022-Propanol, 1-amino-2-methyl-HCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 593316146-(5-{1-[4-(cyclopropylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)pyridine-3-carboxylic acid

Product 1

HCID 59331617
6-(5-[1-[4-(cyclopropylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl]-1H-pyrrol-2-yl)-N-(2-hydroxy-2-methylpropyl)pyridine-3-carboxamide
Yield 53.5%

Reagents, catalysts & solvents 3

HCID 962WaterSolventHCID 6228DimethylformamideSolventHCID 8471TriethylamineSolvent

Procedure

To a solution of 6-(5-{1-[4-(cyclopropylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)pyridine-3-carboxylic acid (0.205 g) in N,N-dimethylformamide (5 mL) were added 1-amino-2-methyl-propan-2-ol (76 mg), triethylamine (0.18 mL), N-[3-(dimethylamino)propyl]-N′-ethylcarbodiimide hydrochloride (123 mg) and 1-hydroxybenzotriazole (98 mg), and the mixture was stirred at room temperature for 16 hr. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The extract was washed successively with water and saturated brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The residue was purified by basic silica gel column 15 chromatography (ethyl acetate:hexane=40:60-100:0, volume ratio) and recrystallized from hexane-ethyl acetate to give the title compound (0.126 g, yield 53%) as colorless crystals. MS: 552 (MH+). melting point 126-128° C.

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe extract was washed successively with water and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by basic silica gel column 15 chromatography (ethyl acetate:hexane=40:60-100:0, volume ratio)
  6. customrecrystallized from hexane-ethyl acetate

Sources & evidence

ORD record
ord-b64fba79bc074127a64e5e7ae5926937
Source dataset
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08318746B2

Reaction notes

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