Triethylamine → tetrahydro-1-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-propynoyloxy-2(1H)-pyrimidinone
反応式
[CH:1]1([C:4]2[S:8][C:7]([N:9]3[CH:14]([OH:15])[CH2:13][CH2:12][N:11]([CH3:16])[C:10]3=[O:17])=[N:6][N:5]=2)[CH2:3][CH2:2]1.C(N(CC)CC)C.[C:25](Cl)(=[O:28])[C:26]#[CH:27]>C1C=CC=CC=1>[CH:1]1([C:4]2[S:8][C:7]([N:9]3[CH:14]([O:15][C:25](=[O:28])[C:26]#[CH:27])[CH2:13][CH2:12][N:11]([CH3:16])[C:10]3=[O:17])=[N:6][N:5]=2)[CH2:2][CH2:3]1参加物
5
実験手順
Tetrahydro-1-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-hydroxy-2(1H)-pyrimidinone (0.05 mole), triethylamine (0.06 mole) and benzene (50 ml) are charged into a glass reaction vessel equipped with a mechanical stirrer, thermometer and reflux condenser. Propynoyl chloride (0.05 mole) is then added dropwise with stirring. After the addition is completed, the reaction mixture is heated at reflux with continued stirring for a period of about 30 minutes. After this time the reaction mixture is filtered and the filtrate is stripped of solvent under reduced pressure to yield the desired product tetrahydro-1-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-propynoyloxy-2(1H)-pyrimidinone as the residue.
後処理
- customequipped with a mechanical stirrer
- temperaturethermometer and reflux condenser
- additionAfter the addition
- temperaturethe reaction mixture is heated
- temperatureat reflux
- stirringwith continued stirring for a period of about 30 minutes
- filtrationAfter this time the reaction mixture is filtered
出典と根拠
- ORDレコード
- ord-330c710ac3f2413389c5f7ed5f453c89
- 出典データセット
- uspto-grants-1977_01
- 特許番号
- US04004912
反応ノート
読み込み中…