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Triethylamine → (RS)-2-(4-chlorobenzenesulfonylamino)-3-cyclohexyl-N-(4-(ethoxycarbonylmethyl)phenyl)propanamide

HRID 266388
Notes
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Reaction equation

HRID 266388 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([NH:11][CH:12]([CH2:16][CH:17]2[CH2:22][CH2:21][CH2:20][CH2:19][CH2:18]2)[C:13]([OH:15])=O)(=[O:10])=[O:9])=[CH:4][CH:3]=1.Cl.[NH2:24][C:25]1[CH:30]=[CH:29][C:28]([CH2:31][C:32]([O:34][CH2:35][CH3:36])=[O:33])=[CH:27][CH:26]=1.C(N(CC)CC)C.C(Cl)(=O)C(C)(C)C>C1COCC1>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([S:8]([NH:11][CH:12]([CH2:16][CH:17]2[CH2:22][CH2:21][CH2:20][CH2:19][CH2:18]2)[C:13]([NH:24][C:25]2[CH:26]=[CH:27][C:28]([CH2:31][C:32]([O:34][CH2:35][CH3:36])=[O:33])=[CH:29][CH:30]=2)=[O:15])(=[O:9])=[O:10])=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8471TriethylamineHCID 62493Pivaloyl chlorideHCID 19032804(RS)-2-(4-chlorobenzenesulfonylamino)-3-cyclohexylpropanoic acidHCID 24192282Ethyl (4-aminophenyl)acetate--hydrogen chloride (1/1)

Product 1

HCID 19032835(RS)-2-(4-chlorobenzenesulfonylamino)-3-cyclohexyl-N-(4-(ethoxycarbonylmethyl)phenyl)propanamideYield 38%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

The procedure described in Example 179 was repeated, except that (RS)-2-(4-chlorobenzenesulfonylamino)-3-cyclohexylpropanoic acid (118.9 mg) and ethyl 4-aminophenylacetate hydrochloride (88.98 mg) were condensed in THF (3 ml) in the presence of triethylamine (135.67 mg) and pivaloyl chloride (66.33 mg), and then the resulting crude product was purified by column chromatography (silica gel 20 g, hexane/ethyl acetate=3/1) to obtain as a colorless oil (RS)-2-(4-chlorobenzenesulfonylamino)-3-cyclohexyl-N-(4-(ethoxycarbonylmethyl)phenyl)propanamide (66.2 mg).

Workup

  1. customthe resulting crude product was purified by column chromatography (silica gel 20 g, hexane/ethyl acetate=3/1)

Sources & evidence

ORD record
ord-15c37210e5e0436da17f924afd22d571
Source dataset
uspto-grants-1997_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05650428

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes