| Literature DB >> 10602194 |
.
Abstract
Next to the "normal" calix[4]pyrrole 1, the N-confused calix[4]pyrrole 2 is formed in substantial amounts (up to 22 % yield) as side product in the acid-catalyzed condensation reaction of ketones and pyrrole. In some cases, doubly N-confused calix[4]pyrroles are also formed.Entities:
Year: 1999 PMID： 10602194 DOI： 10.1002/(sici)1521-3773(19991115)38:22<3359::aid-anie3359>3.0.co;2-k
Source DB: PubMed Journal: Angew Chem Int Ed Engl ISSN： 1433-7851 Impact factor: 15.336