Beilstein J. Org. Chem.2013,9, 2378–2386, doi:10.3762/bjoc.9.274
: isocyanates; microwave-assisted reaction; one-pot reaction; tandemStaudinger–aza-Wittigreaction; urea derivatives; Introduction
The industrial and commercial impact of isocyanates (R–NCO) is steadily growing. In particular, the polyurethane output has undergone yearly increases of 5% over the last decade