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Sodium ethoxide → 7-[(E)-2-(3-Methoxy-2-propoxyphenyl)-1-ethenyl]-6-[4-(trifluoromethoxy)phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one

HRID 1642446
Notes
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Reaction equation

HRID 1642446 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.[CH3:23][O:24][C:25]1[C:26]([O:33][CH2:34][CH2:35][CH3:36])=[C:27]([CH:30]=[CH:31][CH:32]=1)[CH:28]=O.[O-]CC.[Na+]>C(O)C>[CH3:23][O:24][C:25]1[C:26]([O:33][CH2:34][CH2:35][CH3:36])=[C:27](/[CH:28]=[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)[CH:30]=[CH:31][CH:32]=1
ParticipantsProcedureSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 2723922Sodium ethoxideHCID 31593253-Methoxy-2-propoxybenzaldehydeHCID 66753265HCID 66753265, compound

Product 1

HCID 444675357-[(E)-2-(3-Methoxy-2-propoxyphenyl)-1-ethenyl]-6-[4-(trifluoromethoxy)phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-oneYield 47.9%

Reagents, catalysts & solvents 1

HCID 702
Ethanol
Solvent

Procedure

The title compound was prepared by condensation of Intermediate 15 (400 mg, 1.225 mmol) with 3-methoxy-2-propoxybenzaldehyde (333 mg, 1.716 mmol) in the presence of sodium ethoxide (176 mg, 2.301 mmol) in ethanol (25 ml) according to the procedure outlined in Example 24 to give 295 mg of the desired product as a light yellow solid; 1H NMR (300 MHz, DMSO-d6) δ 0.94 (t, J=7.2 Hz, 3H), 1.53 (q, J=6.9 Hz, 2H), 3.31 (s, 1H), 3.77 (s, 3H), 3.80 (s, 1H), 6.91-6.99 (m, 4H), 7.40-7.46 (m, 4H), 7.50 (d, J=4.8 Hz, 1H), 7.95-8.07 (m, 2H); ESI-MS (m/z) 503.51 (M+H)+.

Sources & evidence

ORD record
ord-c3a9da6f3ab74e0ebfac678c93f75445
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