One-pot synthesis of 6-aryl-2,3-dihydro-4H-pyran-4-ones by cyclocondensation of 1,3-diketone dianions with aldehydes
作者:Rasheed Ahmad、Rasheed Ahmad Khera、Alexander Villinger、Peter Langer
DOI:10.1016/j.tetlet.2009.03.189
日期:2009.6
6-Aryl-2,3-dihydro-4H-pyran-4-ones were prepared in one step by cyclocondensation of 1,3-diketone dianions with aldehydes. The use of hydrochloric acid (10%) for the aqueous work-up proved to be very important. (C) 2009 Elsevier Ltd. All rights reserved.