C(C1OC2C=C(C[Br:13])C=CC=2N=1)#N.[C:14]([C:16]1[O:17][C:18]2[C:24]([CH3:25])=[CH:23][CH:22]=[CH:21][C:19]=2[N:20]=1)#[N:15]>>[Br:13][CH2:25][C:24]1[C:18]2[O:17][C:16]([C:14]#[N:15])=[N:20][C:19]=2[CH:21]=[CH:22][CH:23]=1When the 2-cyano-6-bromomethylbenzoxazole in Example 10, Step 2 is replaced with 2-cyano-7-methylbenzoxazole, 7-bromomethyl-2-cyanobenzoxazole is obtained.
Wird geladen…