ELGHANDOUR, AHMED HAFEZ HUSSIEN;RAMIZ, MAHMOUD MOHAMED MAHFOUZ;GHOZLAN, S+, LIEBIGS ANN. CHEM.,(1988) N 10, C. 983-987
作者:ELGHANDOUR, AHMED HAFEZ HUSSIEN、RAMIZ, MAHMOUD MOHAMED MAHFOUZ、GHOZLAN, S+
DOI:——
日期:——
Boron Trifluoride-Catalyzed Cyclization of<i>N</i>-Substituted-<i>N</i>′-(3-substituted propenoyl)-thioureas: A New Synthesis of 1,3-Thiazines
作者:Milan Dzurilla、Peter Kutschy、Pavol Kristian
DOI:10.1055/s-1985-31389
日期:——
2,6-Disubstituted-5,6-dihydro-4H-1,3-thiazin-4-ones (2) are readily prepared by the boron trifluoride etherate-catalyzed cyclization of N-substituted-N′-(3-substituted propenoyl)-thioureas (1).