Thursday, May 10, 2012

Rh2(OAc)4 catalyzed substrate selective [4+2]/[2+2] cycloaddition of acylketenes: a highly chemo- and regioselective synthesis of spiro(oxindolyl)oxazinones and β-lactams

B.V. Subba Reddy, Govindaraju Karthik, Tamilselvan Rajasekaran, Aneesh Antony, B. Sridhar
Tetrahedron Letters
Volume 53, Issue 19, 9 May 2012, Pages 2396–2401
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