115997-82-5Relevant academic research and scientific papers
Synthesis of pterocarpans by means of a "Disfavored" 5-endo-trig radical cyclization reaction
Santhosh, Kalpathy Chidambareswaran,Gopalsamy, Ariamala,Balasubramanian, Kalputtu Kuppuswamy
, p. 3461 - 3466 (2007/10/03)
A successful synthesis of pterocarpans 1, based on a "disfavored" 5-endo-trig radical cyclization reaction, has been accomplished. The radical precursor 4-(2′-bromoaryloxy)-2H-chromene 8 was synthesized in six steps, starting from aryl propynyl ether 2. O
Radical cyclisation of 4-(o-Bromophenoxy)-2H-1-benzopyrans; an Efficient Synthesis of Pterocarpans
Gopalsamy, Ariamala,Balasubramanian, K. K.
, p. 28 - 29 (2007/10/02)
The preparation of 4-(o-bromophenoxy)-2H-1-benzopyrans and their conversion into the pterocarpan skeleton via radical cyclisation are reported.
