海量图书期刊资源，随时随地畅享阅读乐趣
Heterocyclization of functionalized heterocumulenes with C,N-and C,O-binucleophiles: VI. Synthesis of carbofused 2,3-dihydro-1,3-oxazin-4-ones and 3,4-dihydro-1,3-oxazin-2-onesM. B. Vovk; V. A. Sukach; N. G. Chubaruk; A. N. Chernega; A. V. Bol’but · 2007