HCID 178432449、化合物 → HCID 12405793、化合物
反応式
OC1C(C)=NC([Br:9])=CN=1.O[C:11]1[C:16]([C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)=[N:15][C:14]([Br:23])=[CH:13][N:12]=1>>[Br:9][C:11]1[C:16]([C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)=[N:15][C:14]([Br:23])=[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-phenyl-5-bromopyrazine and following substantially the same procedure there is obtained 2,5-dibromo-3-phenylpyrazine.
出典と根拠
- ORDレコード
- ord-6be95e2a983b4c58af2b46105780e4a5
- 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…