Помогите, пожалуйста, со статьями:
1. J. Chem. Soc., Chem. Commun., 1978, 914
Phenyl trans-2-chlorovinyl sulphone, a vinyl cation equivalent
Brian W. Metcalf, Edith Bonilavri
- DOI:
http://dx.doi.org/10.1039/C39780000914
Tandem Michael addition–1,3-dipolar cycloaddition of imines of -amino acid esters and aminoacetonitrile
Darrin A. Barr, Gregory Donegan and Ronald Grigg
- DOI:
http://dx.doi.org/10.1039/P19890001550