Tandem C–C coupling – intramolecular acetylenic Schmidt reaction under Pd/C–Cu catalysis
作者:Venkateswara Rao Batchu、Deepak Kumar Barange、Dinesh Kumar、Bukkapattanam R. Sreekanth、K. Vyas、E. Amarender Reddy、Manojit Pal
DOI:10.1039/b617823e
日期:——
A new one-pot reaction for the regioselective construction of a six-membered fused N-heterocyclic ring leading to isoquinolones under Pd/CâCu catalysis is described.
The investigation of the photochemistry of phthalimide anion has uncovered its exceptional reactivity with hydrogen donors such as alcohols, toluene, ethers and amines, Photoreactions can be conducted to high conversions and photoadducts are formed in high yield and with predictable regioselectivity. Exploratory studies have revealed that SET from the excited phthalimide anion to phthalimide is a thermodinamically favourable step that produces the electrophilic phthalimidyl radical and is the key step of the process. (C) 2002 Elsevier Science Ltd. All rights reserved.
SUAU, SUAREZ R.;GARCIA, SEGURA R., TETRAHEDRON LETT., 29,(1988) N 9, 1071-1074