Stereo- and regioselective synthesis of β-amino-β-tetrazolylvinylphosphonates

Autor: Nataly I. Svintsitskaya, Rostislav Е. Trifonov, Galina L. Starova, Аlbina V. Dogadina
Rok vydání: 2014
Předmět:
Zdroj: Tetrahedron Letters. 55:5381-5385
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2014.08.018
Popis: Addition of 5-substituted tetrazoles to dimethyl [(N,N-diisopropylamino)ethynyl]phosphonate proceeds regio- and stereoselectively to yield (Z)-[2-diisopropylamino-2-(tetrazolyl)vinyl]phosphonic acid dimethyl esters. The Z-configuration of the products was confirmed by 1Н NMR spectroscopy and single-crystal X-ray diffraction. The reactions occur via nucleophilic attack of tetrazole involving predominantly the N-1 atom of the tetrazole ring.
Databáze: OpenAIRE