Quinazolines. XXIII. The synthesis of 3,5-Diazatetracyclo[7,3,1,1^7,11,0^1,6]tetradecanes (Adamantano[2,1-d]pyrimidines)

Abstract

The syntheses of 3,5-diazatetracyclo[7,3,1,1^7,11,0^1,6]tetradecan-4-iminium (3) sulfate, 3,5-diazatetracyclo[7,3,1,1^7,11,0^1,6]tetradecan-4-one (4), 3,5-diazatetracyclo[7,3,1,1^7,11,0^1,6]tetradecane (5) dipicrate,3,5- diazatetracyclo[7,3,1,1^7,11,0^1,6]tetradeca-2,4-dione (6), 3-oxa-4-azatetracyclo[6,3,1,1^6,10,0^1,5]tridec-4-en-2-one (15) and 3,4-diazatetracyclo[6,3,1,1^6,10,0^1,5]tridec-4-en-2-one (16) are described.