Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.
Org Biomol Chem. 2011 Jun 21;9(12):4429-31. doi: 10.1039/c1ob05512g. Epub 2011 May 13.
Tungsten and molybdenum catalysts were employed to promote the cyclisation of N-propargylic amides to afford the corresponding oxazolines or oxazines via 5-exo-dig or 6-endo-dig mode.
采用钨和钼催化剂促进 N-丙炔酰胺的环化反应,以 5-endo-或 6-exo-方式得到相应的恶唑啉或恶嗪。