ISSN:
0009-2940
Keywords:
Phosphorus macrocycles
;
Molecular modeling
;
Cyclocondensation
;
Chemistry
;
Inorganic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
The reaction of new phosphorus dialdehydes PhP(O)-[(CH2)nCH=CHC6H4CHO]2 (4a-c, 5a) (n = 0:4, n = 1:5; a:para, b:meta, c:ortho), with thiophosphonic bis(hydrazide) PhP(S)[NMeNH2]2 (6) yields macrocyclic compounds 9b′, c′, 10a′, 9a″, b″, c″, 10a″ and 9c′″, arising from the cyclocondensation of one, two, or three equivalents of each reagent, respectively. Molecular modeling of 4a-c, 5a, 6 and of the intermediate monocondensation products 7a-c, 8a was carried out and points out the importance of the geometry of the starting reagents in the competition between inter- and intramolecular cyclocodensation.
Additional Material:
5 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/cber.19951280502
Permalink