HCID 178432449、化合物 → 2,5-Dibromo-3-ethylpyrazine
反応式
OC1C(C)=NC([Br:9])=CN=1.O[C:11]1[C:16]([CH2:17][CH3:18])=[N:15][C:14]([Br:19])=[CH:13][N:12]=1>>[Br:9][C:11]1[C:16]([CH2:17][CH3:18])=[N:15][C:14]([Br:19])=[CH:13][N:12]=1参加物
3
実験手順
By replacing the 2-hydroxy-3-methyl-5-bromopyrazine used in Step A of Preparation 87 by an equivalent quantity of 2-hydroxy-3-ethyl-5-bromopyrazine and following substantially the same procedure, there is obtained 2,5-dibromo-3-ethylpyrazine.
出典と根拠
- ORDレコード
- ord-ac44dcdd90d04b5989a3ae22c4293606
- 出典データセット
- uspto-grants-1976_03
- 特許番号
- US03946009
反応ノート
読み込み中…