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

HRID 1642452
Notes
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Reaction equation

HRID 1642452 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([CH2:29][O:30][C:31]2[C:38]([O:39][CH3:40])=[CH:37][CH:36]=[CH:35][C:32]=2[CH:33]=O)[CH2:28][CH2:27][CH2:26][CH2:25][CH2:24]1.[O-]CC.[Na+]>C(O)C>[CH:23]1([CH2:29][O:30][C:31]2[C:38]([O:39][CH3:40])=[CH:37][CH:36]=[CH:35][C:32]=2/[CH:33]=[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][CH2:26][CH2:27][CH2:28]1
ParticipantsProcedureSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 2723922Sodium ethoxideHCID 43471351HCID 43471351, compoundHCID 66753265HCID 66753265, compound

Product 1

HCID 444678107-[(E)-2-(2-Cyclohexylmethoxy-3-methoxyphenyl)-1-ethenyl]-6-[4-(trifluoro methoxy)phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-oneYield 47.1%

Reagents, catalysts & solvents 1

HCID 702
Ethanol
Solvent

Procedure

The title compound was prepared by condensation of Intermediate 15 (350 mg, 1.072 mmol) with 2-cyclohexylmethoxy-3-methoxybenzaldehyde (372 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 281 mg of the desired product as a pale yellow solid; 1H NMR (300 MHz, DMSO-d6) δ 1.03-1.10 (m, 2H), 1.18-1.25 (m, 3H), 1.68-1.79 (m, 6H), 3.60-3.68 (m, 2H), 3.77 (s, 3H), 6.81-6.88 (m, 2H), 6.91-6.96 (m, 3H), 7.40-7.46 (m, 5H), 7.98 (d, J=6.3 Hz, 1H), 8.14 (d, J=15.0 Hz, 1H); ESI-MS (m/z) 557.44 (M+H)+.

Sources & evidence

ORD record
ord-643890ef509d46d18fe7953c7ce20c56
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