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

HRID 1642431ノート

反応式

HRID 1642431 の反応式
[CH3:1][C:2]1[N:3]=[C:4]2[S:21][CH:20]=[CH:19][N:5]2[C:6](=[O:18])[C:7]=1[C:8]1[CH:13]=[CH:12][C:11]([C:14]([F:17])([F:16])[F:15])=[CH:10][CH:9]=1.[CH:22]1([O:27][C:28]2[C:35]([O:36][CH3:37])=[CH:34][CH:33]=[CH:32][C:29]=2[CH:30]=O)[CH2:26][CH2:25][CH2:24][CH2:23]1.[O-]CC.[Na+]>C(O)C>[CH:22]1([O:27][C:28]2[C:35]([O:36][CH3:37])=[CH:34][CH:33]=[CH:32][C:29]=2/[CH:30]=[CH:1]/[C:2]2[N:3]=[C:4]3[S:21][CH:20]=[CH:19][N:5]3[C:6](=[O:18])[C:7]=2[C:8]2[CH:13]=[CH:12][C:11]([C:14]([F:17])([F:15])[F:16])=[CH:10][CH:9]=2)[CH2:23][CH2:24][CH2:25][CH2:26]1

参加物

5

反応物 3

HCID 2723922Sodium ethoxideHCID 6484666HCID 6484666、化合物HCID 667528027-Methyl-6-[4-(trifluoromethyl)phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one

生成物 1

HCID 444673117-[(E)-2-(2-Cyclopentyloxy-3-methoxyphenyl)-1-ethenyl]-6-[4-(trifluoro methyl)phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one収率 44.8%

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

The title compound was prepared by condensation of Intermediate 5 (400 mg, 1.289 mmol) with 2-cyclopentyloxy-3-methoxybenzaldehyde (398 mg, 1.813 mmol) in presence of sodium ethoxide (163 mg, 2.411 mmol) in ethanol (15 ml) according to the procedure described in Example 24 to afford 296 mg of the desired product as an off-white solid; 1H NMR (300 MHz, DMSO-d6) δ 1.50-1.60 (m, 6H), 1.74-1.81 (m, 2H), 3.77 (s, 3H), 4.83 (s, 1H), 6.85-6.99 (m, 4H), 7.51 (d, J=5.1 Hz, 1H), 7.58 (d, J=8.1 Hz, 2H), 7.83 (d, J=7.2 Hz, 2H), 8.00 (d, J=4.8 Hz, 1H), 8.12 (d, J=15.6 Hz, 1H); ESI-MS (m/z) 529.30 (M+H)+.

出典と根拠

ORDレコード
ord-4edd91e5a2814414b997b3c113167d68
出典データセット
uspto-grants-2012_02
特許番号
US08119647B2

反応ノート

読み込み中…