2-(3,4-Dichlorophenyl)-3-hydroxy-4-(methylcarbonyl)thiophene → HCID 73224733, compound
Reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[S:10][CH:11]=[C:12]([C:15]([CH3:17])=O)[C:13]=2[OH:14])[CH:5]=[CH:6][C:7]=1[Cl:8].[N:18]1([C:24]([C:26]2[S:30][C:29]([C:31]([NH:33][NH2:34])=[O:32])=[CH:28][CH:27]=2)=[O:25])[CH2:23][CH2:22][O:21][CH2:20][CH2:19]1>C(O)(C)C>[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[S:10][CH:11]=[C:12]([C:15](=[N:34][NH:33][C:31]([C:29]3[S:30][C:26]([C:24]([N:18]4[CH2:23][CH2:22][O:21][CH2:20][CH2:19]4)=[O:25])=[CH:27][CH:28]=3)=[O:32])[CH3:17])[C:13]=2[OH:14])[CH:5]=[CH:6][C:7]=1[Cl:8]Participants
4
Procedure
28 mg of 2-(3,4-dichlorophenyl)-3-hydroxy-4-methylcarbonylthiophene and 26 mg of 5-(morpholine-4-carbonyl)thiophene-2-carbohydrazide prepared in Reference Synthetic Example 2 were heated in isopropyl alcohol with 3 mg of p-tosylic acid monohydrate at 105° C. for 18 hours and cooled to room temperature. The precipitated solid was recovered by filtration and washed with 1 mL of isopropyl alcohol, and the resulting crystals were dried to give the desired product (yield 86%).
Workup
- filtrationThe precipitated solid was recovered by filtration
- washwashed with 1 mL of isopropyl alcohol
- customthe resulting crystals were dried
Sources & evidence
- ORD record
- ord-51cf7616758f428e871fe5bf52707c9e
- Source dataset
- uspto-grants-2011_06
- Patent number
- US07968542B2
Reaction notes
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