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1)

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http://dx.doi.org/doi:10.1016/j.tet.2008.01.038     

Three-component, one-pot diastereoselective synthesis of 4-amidotetrahydropyrans via the Prins–Ritter reaction sequence.
J.S. Yadav, a, , B.V. Subba Reddya, S. Aravinda, G.G.K.S. Narayana Kumara, C. Madhavia, A.C. Kunwara
Tetrahedron, Volume 64, Issue 13, 24 March 2008, Pages 3025-3031.

2)

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http://dx.doi.org/doi:10.1016/j.tet.2004.05.004

Synthesis of methylenedioxy-bearing 1-aryl-3-carboxylisoquinolines using a modified Ritter reaction procedure.
Yves L Janina, Didier Decaudinb, Claude Monneretc, Marie-France Poupond.
Tetrahedron, Volume 60, Issue 25, 14 June 2004, Pages 5481-5485.

3)

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http://dx.doi.org/doi:10.1016/j.tetlet.2006.04.092 

Synthesis of γ-N-acylamino-β-keto esters and ethyl 5-oxazoleacetates via Ritter reaction and hydration of γ-hydroxy-α,β-alkynoic esters .
K. Srinivasa Raoa, b, D. Srinivasa Reddya, Manojit Pala, K. Mukkantib and Javed Iqbala/
Tetrahedron Letters, Volume 47, Issue 26, 26 June 2006, Pages 4385-4388.

4)

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http://dx.doi.org/doi:10.1016/j.tetasy.2006.11.003 

A novel modification of the Ritter reaction: stereoselective synthesis of bridgehead-fused Δ2-norbornanethiazolines from thiocamphor and thiofenchone.
Antonio García Martíneza, Enrique Teso Vilarb, Florencio Moreno-Jiméneza, Ana Ma Álvarez Garcíab.
Tetrahedron: Asymmetry, Volume 17, Issue 21, 17 November 2006, Pages 2970-2975

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