1184948-69-3Relevant academic research and scientific papers
A facile synthesis of angular and linear 8/2-methyl furo[2,3-h]/[3,2-g] chromones and angular pyrano[2,3-f] isoflavones from 7-propargyloxy chromones and isoflavones
Daniel,Jayaprakash Rao,Santosh Kumar,Krupadanam, G. L. David
experimental part, p. 336 - 344 (2009/05/31)
The Claisen rearrangement of 7-propargyloxy chromones (2a-d) and 7-propargyloxy isoflavones (8a-f) in N,N-Diethylaniline at 195°C gave 8/2-methylfuro[2,3-h]/[3,2-g] chromones (3a-d) and pyrano [2,3-f] isoflavones (9a-f) respectively.
