TY - BOOK AU - Nabil Khalil Lafi Shurrab AU - Ahmed Sami Shawali , AU - Hamdy Mamoud Hasaneen , TI - New nitrilimines . their tandem generation cyclization and rearrangement of the products therefrom / PY - 2009/// CY - Cairo : PB - Nabil Khalil Lafi Shurrab , KW - Heterocycles KW - Hydrazones KW - Nitrilimines N1 - Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Organic Chemistry; Issued also as CD N2 - THe original work of the submitted thesis explores the utility of tandem generation and 1,5- electrocyclization of N-hetarlnitrilimines for synthesis of novel triheterocyclic systems of biological interest and Dimroth rearrangement of the latter into their isomers.The systems prepared included pyrazolo[4,3-e][1,2,4]triazolo[4,3-c] -pyrimidines and 1,4-disubstituted-[1,2,4] triazolo [4,3-a]-quinazolin-5(4H)-ones ER -