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

HRID 1642440Notes

Reaction equation

HRID 1642440 reaction equation
[CH3:1][C:2]1[N:3]=[C:4]2[S:23][CH:22]=[CH:21][N:5]2[C:6](=[O:20])[C:7]=1[C:8]1[CH:13]=[CH:12][C:11]([O:14][CH2:15][C:16]([F:19])([F:18])[F:17])=[CH:10][CH:9]=1.[CH:24]1([CH2:27][O:28][C:29]2[C:36]([O:37][CH3:38])=[CH:35][CH:34]=[CH:33][C:30]=2[CH:31]=O)[CH2:26][CH2:25]1.[O-]CC.[Na+]>C(O)C>[CH:24]1([CH2:27][O:28][C:29]2[C:36]([O:37][CH3:38])=[CH:35][CH:34]=[CH:33][C:30]=2/[CH:31]=[CH:1]/[C:2]2[N:3]=[C:4]3[S:23][CH:22]=[CH:21][N:5]3[C:6](=[O:20])[C:7]=2[C:8]2[CH:13]=[CH:12][C:11]([O:14][CH2:15][C:16]([F:18])([F:19])[F:17])=[CH:10][CH:9]=2)[CH2:25][CH2:26]1

Participants

5

Reactant 3

HCID 2723922Sodium ethoxideHCID 435604072-(Cyclopropylmethoxy)-3-methoxybenzaldehydeHCID 66753580HCID 66753580, compound

Product 1

HCID 444674607-[(E)-2-(2-Cyclopropylmethoxy-3-methoxyphenyl)-1-ethenyl]-6-(4-(2,2,2-tri fluoroethoxy)phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-oneYield 46.8%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

The title compound was synthesized by condensation of Intermediate 11 (325 mg, 0.95 mmol) with 2-cyclopropylmethoxy-3-methoxybenzaldehyde (255 mg, 1.20 mmol) in presence of sodium ethoxide (129 mg, 1.90 mmol) in ethanol (25 ml) according to the procedure of Example 24 to give 235 mg of the desired product; 1H NMR (300 MHz, DMSO-d6) δ 0.27 (br s, 2H), 0.51 (br s, 2H), 1.04-1.06 (m, 1H), 3.68-3.70 (m, 2H), 3.77 (m, 3H), 4.81-4.83 (m, 2H), 6.89-6.98 (m, 4H), 7.13-7.15 (m, 2H), 7.27-7.29 (m, 2H), 7.49 (br s, 1H), 7.98 (br s, 1H), 8.14 (d, J=16.2 Hz, 1H); ESI-MS (m/z) 529.23 (M+H)+.

Sources & evidence

ORD record
ord-1add290fb15b44cc9fbf201d445c9329
Source dataset
uspto-grants-2012_02
Patent number
US08119647B2

Reaction notes

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