Synthesis of N,N′-di(1-adamantyl)bispidin-9-ones

Russian Chemical Bulletin - The condensation product of adamantan-1-amine with formaldehyde, 1,3,5-tri(1-adamantyl)-1,3,5-triazacyclohexane, was treated with three different types of ketones:...     

Synthesis of diazahomoadamantanones thiosemicarbazones

Thiosemicarbazones of ketones from 3,6-diazahomoadamantane series were prepared by two procedures: by treating 3,6-diazahomoadamantan-9-ones with thiosemicarbazide and by a reaction of substituted (3,6-diazahomoadamantan-9-ylidene)hydrazines with versatile isothiocyanates.     

Synthesis of 1-benzyl-3,6-diazahomoadamantane

By condensation of 4-phenylbutan-2-one with tetramethylenediethylenetetramine 1-benzyl-3,6-diazahomoadamantan-9-one was synthesized. Further nitration of 1-benzyl-3,6-diazahomoadamantan-9-one yielded 1-(4-nitrobenzyl)-3,6-dia?ahomoadamantan-9-one. The modification of the nitro and carbonyl groups resulted in the formation of 1-benzyl-3,6-diazahomoadamantane and its derivatives with functional groups in the benzene ring and at the bridge carbon atom C⁹.     

Synthesis of 1-Butyl-3,6-diazahomoadamantane

Russian Journal of Organic Chemistry - 1-Butyl-3,6-diazahomoadamantan-9-one was synthesized by condensation of heptan-2-one with diethylenetetramethylenetetramine...     

Synthesis of a new type of 1,3-diazaadamantan-6-ones

A new type of 1,3-diazaadanamtan-6-ones was synthesized by heating the 3,7-di(tert-butyl)-1-[(tert-butylamino)methyl]bispidin-9-one derivatives with concentrated hydrobromic acid followed by condensation with formaldehyde.