19883-34-2Relevant articles and documents
Regiochemistry in aryl radical cyclisations (5-exo versus 6-endo) of N-vinylic 2-iodobenzamides
Ishibashi, Hiroyuki,Ohata, Kohei,Niihara, Michiyo,Sato, Tatsunori,Ikeda, Masazumi
, p. 547 - 554 (2007/10/03)
Bu3SnH-mediated aryl radical cyclisations of a range of N-vinylic 2-iodobenzamides 10 were examined. The enamides 10a-d gave exclusively the 5-exo cyclisation products 11a-d, whereas the enamides 10e,f having a phenyl substituent on the vinylic carbon ato