Abstract
The Mannich-type condensation in the systems: phosphine-formaldehyde-amine is an effective method of P,N-macrocycles design if bifunctional reagents are used.
Acknowledgments
Financial support from Volkswagen Foundation (I/82-020), RFBR (No. 07-03-08066-3, 06-03-32754-a), Russian Science Support Foundation, and from President's of RF Grant for the support of leading scientific schools (No. 5148.2006.3) is gratefully acknowledged.