Прошу помочь с такими статьями:
1. A Short and Efficient Synthesis of 2-Methyltetrahydrofuran-3-One
Valentine Ragoussisa; Dimitrios J. Lagouvardosb; Nikitas Ragoussis
Synthetic Communications, Volume 28, Issue 22 November 1998 , pages 4273 - 4278
- DOI:
http://dx.doi.org/10.1080/00397919809458708
M. A. Gianturco, P. Friedel and A. S. Giammarino
Tetrahedron
Volume 20, Issue 7, 1964, Pages 1763-1772
- DOI:
http://dx.doi.org/10.1016/S0040-4020(01)99177-X