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

HRID 1642430ノート

反応式

HRID 1642430 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([CH2:26][O:27][C:28]2[C:35]([O:36][CH3:37])=[CH:34][CH:33]=[CH:32][C:29]=2[CH:30]=O)[CH2:25][CH2:24][CH2:23]1.[O-]CC.[Na+]>C(O)C>[CH:22]1([CH2:26][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]1

参加物

5

反応物 3

HCID 2723922Sodium ethoxideHCID 65459423HCID 65459423、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 444673107-[(E)-2-(2-Cyclobutylmethoxy-3-methoxyphenyl)-1-ethenyl]-6-[4-(trifluoro methyl)phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one収率 46.9%

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

The title compound was synthesized by condensation of Intermediate 5 (400 mg, 1.289 mmol) with 2-cyclobutylmethoxy-3-methoxybenzaldehyde (368 mg, 1.603 mmol) in the presence of sodium ethoxide (163 mg, 2.411 mmol) in ethanol (15 ml) according to the procedure described in Example 24 to give 310 mg of the desired product as an off-white solid; 1H NMR (300 MHz, DMSO-d6) δ 1.80-1.86 (m, 5H), 1.98-2.04 (m, 2H), 3.77 (s, 3H), 3.82 (d, J=6.9 Hz, 2H), 6.87-7.00 (m, 4H), 7.51 (d, J=7.5 Hz, 1H), 7.59 (d, J=7.8 Hz, 2H), 7.84 (d, J=7.8 Hz, 2H), 8.01 (d, J=4.8 Hz, 1H) 8.14 (d, J=15.6 Hz, 1H); ESI-MS (m/z) 513.30 (M+H)+.

出典と根拠

ORDレコード
ord-05e3b01b76ce4af58ccbe1cb6409d733
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…