5-Methylthiophene-2-carboxylic acid → HCID 67674916, compound

HRID 1956991Notes

Reaction equation

HRID 1956991 reaction equation
Cl.C[O:3][C:4](=[O:29])[C@H:5]([CH2:19][C:20]1[C:28]2[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=2)[NH:22][CH:21]=1)[NH:6][C:7](=[O:18])[C@@H:8]([CH2:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)[NH:9][CH3:10].[CH3:30][C:31]1[S:35][C:34]([C:36]([OH:38])=O)=[CH:33][CH:32]=1>>[CH3:30][C:31]1[S:35][C:34]([C:36]([N:9]([CH3:10])[C@@H:8]([C:7]([NH:6][C@H:5]([C:4]([OH:29])=[O:3])[CH2:19][C:20]2[C:28]3[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=3)[NH:22][CH:21]=2)=[O:18])[CH2:11][C:12]2[CH:13]=[CH:14][CH:15]=[CH:16][CH:17]=2)=[O:38])=[CH:33][CH:32]=1

Participants

3

Reactant 2

HCID 747135-Methylthiophene-2-carboxylic acidHCID 67674832HCID 67674832, compound

Product 1

HCID 67674916HCID 67674916, compound

Procedure

Coupling of N-methyl-(D)-phenylalanyl-(L)-tryptophan methyl ester hydrochloride (see example 1) with 5-methyl-2-thiophenecarboxylic acid according to example 12 followed by hydrolysis of the methyl ester moiety according to example 1 gives N-(5-methyl-2-thiophenecarbonyl)-N-methyl-(D)-phenylalanyl-(L)-tryptophan; FAB-MS m/e 488 (M-H)-.

Sources & evidence

ORD record
ord-3befc3b415574be38d77610cfd319712
Source dataset
uspto-grants-1998_07
Patent number
US05780498

Reaction notes

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