| abstract |
A compound of the formula wherein X is selected from the group consisting of arylsulphonyloxy, C1-C4 alkylsulphonyloxy, nitro or halo substituted benzenesulphonyloxy, C1-C4 perfluoroalkylsulphonyloxy, optionally substituted aroyloxy, C1-C4 perfluoroalkanoyloxy, C1-C4 alkanoyloxy, halo; diazonium; methoxy, oxonium, perchloryloxy, quaternaryammonium C1-C4 alkylsuphonyloxy, halosulphonyloxy, halonium and diarylsuphonylamino. בקשה הורה מס' 132273 לבקשה זו טרם פורסמה The parent application No. 132273 from which this application has been divided has not yet been published. |