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Sodium ethoxide → 7-[(E)-2-(2-Cyclopropylmethoxy-3-fluorophenyl)-1-ethenyl]-6-[4-(trifluoro methoxy)-phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one

HRID 1642442
Notes
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Reaction equation

HRID 1642442 reaction equation
[CH3:1][C:2]1[N:3]=[C:4]2[S:22][CH:21]=[CH:20][N:5]2[C:6](=[O:19])[C:7]=1[C:8]1[CH:13]=[CH:12][C:11]([O:14][C:15]([F:18])([F:17])[F:16])=[CH:10][CH:9]=1.[CH:23]1([CH2:26][O:27][C:28]2[C:35]([F:36])=[CH:34][CH:33]=[CH:32][C:29]=2[CH:30]=O)[CH2:25][CH2:24]1.[O-]CC.[Na+]>C(O)C>[CH:23]1([CH2:26][O:27][C:28]2[C:35]([F:36])=[CH:34][CH:33]=[CH:32][C:29]=2/[CH:30]=[CH:1]/[C:2]2[N:3]=[C:4]3[S:22][CH:21]=[CH:20][N:5]3[C:6](=[O:19])[C:7]=2[C:8]2[CH:13]=[CH:12][C:11]([O:14][C:15]([F:17])([F:18])[F:16])=[CH:10][CH:9]=2)[CH2:24][CH2:25]1
ParticipantsProcedureSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 2723922Sodium ethoxideHCID 66753265HCID 66753265, compoundHCID 86636080HCID 86636080, compound

Product 1

HCID 444674647-[(E)-2-(2-Cyclopropylmethoxy-3-fluorophenyl)-1-ethenyl]-6-[4-(trifluoro methoxy)-phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-oneYield 44.8%

Reagents, catalysts & solvents 1

HCID 702
Ethanol
Solvent

Procedure

The title compound was synthesized by condensation of Intermediate 15 (350 mg, 1.071 mmol) with 2-cyclopropylmethoxy-3-fluorobenzaldehyde (291 mg, 1.501 mmol) in presence of sodium ethoxide (146 mg, 2.147 mmol) in ethanol (15 ml) according to the procedure outlined in Example 24 to give 241 mg of the desired product as a light yellow solid; 1H NMR (300 MHz, DMSO-d6) δ 0.23 (d, J=4.8 Hz, 2H), 0.48 (d, J=6.6 Hz, 2H), 0.95-1.05 (m, 1H), 3.77 (d, J=6.9 Hz, 2H), 7.00-7.09 (m, 2H), 7.15-7.23 (m, 2H), 7.42-7.50 (m, 4H), 7.53 (d, J=4.8 Hz, 1H), 7.98-8.08 (m, 2H); ESI-MS (m/z) 503.55 (M+H)+.

Sources & evidence

ORD record
ord-6684b4e108ed4fcdade3792e59d7c7b7
Source dataset
uspto-grants-2012_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08119647B2

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes