Hydrazine hydrate (1:1) → 1,4-Dihydro-2,6-dimethyl-3-methoxycarbonyl-4-(2,3-dichlorophenyl)-5-(2-aminoethoxy)carbonyl-pyridine
反応式
[CH3:1][C:2]1[NH:3][C:4]([CH3:36])=[C:5]([C:20]([O:22][CH2:23][CH2:24][N:25]2C(=O)C3=CC=CC=C3C2=O)=[O:21])[CH:6]([C:12]2[CH:17]=[CH:16][CH:15]=[C:14]([Cl:18])[C:13]=2[Cl:19])[C:7]=1[C:8]([O:10][CH3:11])=[O:9].O.NN>C(OC)(C)(C)C>[CH3:1][C:2]1[NH:3][C:4]([CH3:36])=[C:5]([C:20]([O:22][CH2:23][CH2:24][NH2:25])=[O:21])[CH:6]([C:12]2[CH:17]=[CH:16][CH:15]=[C:14]([Cl:18])[C:13]=2[Cl:19])[C:7]=1[C:8]([O:10][CH3:11])=[O:9]参加物
4
反応物 2
生成物 1
試薬・触媒・溶媒 1
実験手順
Prepared by a method analogous to that of Example 1(b) from 10.0 g (19 mmol) of 1,4-dihydro-2,6-dimethyl-3-methoxycarbonyl-4-(2,3-dichlorophenyl)-5-(2-phthalimidoethoxy)carbonyl-pyridine and 2.84 ml (57 mmol) of hydrazine hydrate. 3.85 g (51%) of pale yellow crystals melting at 166°-167° C. obtained from tert.-butylmethyl ether.
出典と根拠
- ORDレコード
- ord-43ac57270ae34c909a973a788eda284c
- 出典データセット
- uspto-grants-1988_07
- 特許番号
- US04757080
反応ノート
読み込み中…