| 摘要 |
1301367 Dibenzazepine derivatives RHONEPOULENC SA 7 Aug 1970 [7 Aug 1969] 5689/71 Divided out of 1301366 Heading C2C Compounds of the Formula I: (in which R 1 is C 1-5 alkyl and one X is chlorine and the other X's are all hydrogen) are prepared by cyclizing a compound of the Formula III:, by the action of lithium diethylamide. The compounds of the Formula II: (in which R 1 and X are as defined above) are claimed per se. Starting materials of Formula III and intermediates therefor are prepared by the following reaction scheme: |
