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P. Purushothama Rao

Indian Institute of Chemical Technology

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Letters in Organic Chemistry | 2010

Stereoselective Formal Synthesis of (-)-Salicylihalamides A and B Via Prins Cyclisation

J. S. Yadav; N. Venkateswar Rao; P. Purushothama Rao; M. Sridhar Reddy; A.R. Prasad

A stereoselective and convergent formal approach to Salicylihalamide A and B is achieved through our recently developed strategy for the construction of polyketide precursors via Prins cyclisation. The approach mainly relies upon reductive opening of 1-iodomethyl cyclic ethers, Mitsunobu inversion and ring closing metathesis along with Prins cyclisation.

Tetrahedron Letters | 2005

Sulfamic acid: an efficient, cost-effective and recyclable solid acid catalyst for the Friedlander quinoline synthesis

J. S. Yadav; P. Purushothama Rao; D. Sreenu; R. Srinivasa Rao; V. Naveen Kumar; K. Nagaiah; A.R. Prasad

Tetrahedron Letters | 2006

Stereoselective synthesis of anti-1,3-diol units via Prins cyclisation: application to the synthesis of (−)-sedamine

J. S. Yadav; M. Sridhar Reddy; P. Purushothama Rao; A.R. Prasad

Tetrahedron Letters | 2007

Stereoselective synthesis of (+)-cryptocarya diacetate by an iterative Prins cyclisation and reductive cleavage sequence

J. S. Yadav; P. Purushothama Rao; M. Sridhar Reddy; N. Venkateswar Rao; A.R. Prasad

Journal of Molecular Catalysis A-chemical | 2006

Sc(OTf)3 catalyzed highly rapid and efficient synthesis of β-enamino compounds under solvent-free conditions

J. S. Yadav; V. Naveen Kumar; R. Srinivasa Rao; A. Diana Priyadarshini; P. Purushothama Rao; B. V. S. Reddy; K. Nagaiah

Tetrahedron Letters | 2008

Stereoselective synthesis of basiliskamides A and B via Prins cyclisation

J. S. Yadav; P. Purushothama Rao; M. Sridhar Reddy; A.R. Prasad

Tetrahedron Letters | 2004

First example of molecular iodine-catalyzed allylation and alkynylation of cyclic allylic acetates

J. S. Yadav; B. V. S. Reddy; K. Vishweshwar Rao; K. Sarita Raj; P. Purushothama Rao; A.R. Prasad; D. Gunasekar

Synlett | 2007

Stereoselective Formal Synthesis of Crocacin C via Prins Cyclization

J. S. Yadav; M. Sridhar Reddy; P. Purushothama Rao; A.R. Prasad

Catalysis Communications | 2006

Sulphamic acid: An efficient, cost-effective and recyclable solid acid catalyst for three-component synthesis of homoallylic amines

J. S. Yadav; Hissana Ather; P. Purushothama Rao; R. Srinivasa Rao; K. Nagaiah; A.R. Prasad

Synthesis | 2006

Enantioselective synthesis of (+)-sedamine and (-)-allosedamine

J. S. Yadav; M. Sridhar Reddy; P. Purushothama Rao; A.R. Prasad

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