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Ethyl 2-chloro-2-(2-fluorobenzoyl)acetate → Ethyl 2-[5-(benzyloxy)-2-methylpyrazolo[1,5-a]pyridin-3-yl]-4-(2-fluorophenyl)-1,3-thiazole-5-carboxylate

HRID 2282221
Notes
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Reaction equation

HRID 2282221 reaction equation
[CH2:1]([O:8][C:9]1[CH:14]=[CH:13][N:12]2[N:15]=[C:16]([CH3:21])[C:17]([C:18](=[S:20])[NH2:19])=[C:11]2[CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Cl[CH:23]([C:29]([C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][C:32]=1[F:37])=O)[C:24]([O:26][CH2:27][CH3:28])=[O:25]>CC(O)C>[CH2:1]([O:8][C:9]1[CH:14]=[CH:13][N:12]2[N:15]=[C:16]([CH3:21])[C:17]([C:18]3[S:20][C:23]([C:24]([O:26][CH2:27][CH3:28])=[O:25])=[C:29]([C:31]4[CH:36]=[CH:35][CH:34]=[CH:33][C:32]=4[F:37])[N:19]=3)=[C:11]2[CH:10]=1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 18473854Ethyl 2-chloro-2-(2-fluorobenzoyl)acetateHCID 866495975-(Benzyloxy)-2-methylpyrazolo[1,5-a]pyridine-3-carbothioamide

Product 1

HCID 66856955Ethyl 2-[5-(benzyloxy)-2-methylpyrazolo[1,5-a]pyridin-3-yl]-4-(2-fluorophenyl)-1,3-thiazole-5-carboxylateYield 75%

Reagents, catalysts & solvents 1

HCID 3776IsopropanolSolvent

Procedure

A suspension of 5-(benzyloxy)-2-methylpyrazolo[1,5-a]pyridine-3-carbothioamide (820 mg, 2.8 mmol) obtained in Example 30-B(vi) and ethyl 2-chloro-3-(2-fluorophenyl)-3-oxopropanoate (3.1 g, 13 mmol) obtained in Example 22-B(i) in 2-propanol (50 mL) was stirred at 90° C. for 7 h. The reaction mixture was allowed to cool to room temperature, and the precipitated solid was collected by filtration. The solid was washed with EtOAc and diisopropyl ether, and dried to give the title compound (1.0 g, 75%) as a yellow solid.

Workup

  1. filtrationthe precipitated solid was collected by filtration
  2. washThe solid was washed with EtOAc and diisopropyl ether
  3. customdried

Sources & evidence

ORD record
ord-a15044c3b21540789c85616f29ae37e5
Source dataset
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09139589B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes