New cyclic aminals derived from rac-trans-1,2-diaminocyclohexane: synthesis and crystal structure of racemic 1,8,10,12-tetraazatetracyclo[8.3.1.1..sup.8,12./sup.O.sup.2,7./sup.] pentadecane and a route to its enantiomerically pure (R,R) and (S,S) isomers

RIVERA, A., QUIROGA, D., JIMÉNEZ-CRUZ, L., FEJFAROVÁ, K., DUŠEK, M. New cyclic aminals derived from rac-trans-1,2-diaminocyclohexane: synthesis and crystal structure of racemic 1,8,10,12-tetraazatetracyclo[8.3.1.1.^8,12O^2,7] pentadecane and a route to its enantiomerically pure (R,R) and (S,S) isomers. Tetrahedron Letters. 2012, 53(3), 345-348. ISSN 0040-4039. E-ISSN 1873-3581. Dostupné z: doi: 10.1016/j.tetlet.2011.11.046