Potassium Carbonate → HCID 69619653, compound
Reaction equation
C[O:2][C:3]([C:5]1[CH:14]=[C:13]2[C:8]([C@@H:9]([NH:15][C:16]([O:18][CH2:19][C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)=[O:17])[CH2:10][CH2:11][S:12]2)=[CH:7][C:6]=1[Cl:26])=[O:4].C(=O)([O-])[O-].[K+].[K+]>>[CH2:19]([O:18][C:16]([NH:15][C@@H:9]1[C:8]2[C:13](=[CH:14][C:5]([C:3]([OH:4])=[O:2])=[C:6]([Cl:26])[CH:7]=2)[S:12][CH2:11][CH2:10]1)=[O:17])[C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1Participants
3
Procedure
By a similar reaction operation as in Starting Material Synthetic Example 6 using (S)-4-(benzyloxycarbonylamino)-6-chlorothiochromane-7-carboxylic acid methyl ester (450 mg) and potassium carbonate (317 mg), the objective (S)-4-(benzyloxycarbonylamino)-6-chlorothiochromane-7-carboxylic acid (425 mg) was obtained as colorless crystals.
Sources & evidence
- ORD record
- ord-1508346120a24cbb8e352d5c50964c3a
- Source dataset
- uspto-grants-2005_08
- Patent number
- US06933305B2
Reaction notes
Loading…