38132-31-9Relevant academic research and scientific papers
CeCl3·7H2O/AcCl-catalyzed Prins-Ritter reaction sequence: a novel synthesis of 4-amido tetrahydropyran derivatives
Yadav,Reddy, B.V. Subba,Kumar, G.G.K.S. Narayana,Reddy, G. Madhusudhan
, p. 4903 - 4906 (2007)
Homoallylic alcohols, carbonyl compounds and nitriles undergo a smooth tandem Prins-Ritter type cyclization in the presence of CeCl3·7H2O/AcCl at ambient temperature to produce 4-amido tetrahydropyrans in high yields with all cis-sel
Molecular iodine-catalyzed, one-pot, diastereoselective synthesis of 4-amido tetrahydropyrans
Sabitha, Gowravaram,Bhikshapathi,Nayak, Sambit,Yadav
experimental part, p. 8 - 15 (2011/02/27)
A simple and efficient one-pot synthesis of symmetrical 4-amido tetrahydropyrans via the Sakurai-Prins-Ritter reaction sequence using molecular iodine as catalyst from an aldehyde and allyltrimethylsilane in acetonitrile is described. This new method has
Iodine/accl-catalyzed prins-ritter reaction: Synthesis of 4-amido tetrahydropyrans
Srinivasan,Perumal,Raja
experimental part, p. 1083 - 1091 (2011/10/01)
Homoallylic alcohols, carbonyl compounds and nitriles undergo a smooth tandem Prins-Ritter type cyclization in the presence of iodine/AcCl at room temperature to produce 4-acetamido tetrahydropyrans in high yields with all cis-selectivity.
Cerium(IV) sulfate catalyzed one-pot threecomponent diastereo selective synthesis of 4-amidotetrahydropyrans
Selvam, Nagarajan Panneer,Perumal, Paramasivan T.
supporting information; experimental part, p. 698 - 705 (2009/12/04)
A convenient and diastereoselective one-pot synthesis of cis-4-amidotetrahydropyrans is described. This simple protocol involves Prins cyclization of homoallylic alcohol and aldehydes, followed by Ritter reaction of acetonitrile leading to the formation o
A Sakurai-Prins-Ritter reaction sequence for the diastereoselective synthesis of 4-amidotetrahydropyrans catalyzed by bismuth triflate
Sabitha, Gowravaram,Bhikshapathi,Nayak, Sambit,Yadav,Ravi,Kunwar
, p. 5727 - 5731 (2008/12/22)
The synthesis of 4-amidotetrahydropyrans has been achieved by a single-step Sakurai-Prins-Ritter reaction sequence in a domino fashion by the reaction of an aldehyde and allyltrimethylsilane in acetonitrile using Bi(OTf)3 as catalyst. The prese
Stereoselective one-pot, three-component synthesis of 4- amidotetrahydropyran
Reddy,Rama Raju,Pramod Kumar,Saikia, Anil K.
, p. 1628 - 1630 (2008/09/17)
(Chemical Equation Presented) The reaction of aldehyde with allylsilane in acetonitrile mediated by boron trifluoride etherate generated 4-aminotetrahydropyrans in good yields. The product is highly stereoselective.
Three-component, one-pot diastereoselective synthesis of 4-amidotetrahydropyrans via the Prins-Ritter reaction sequence
Yadav,Reddy, B.V. Subba,Aravind,Kumar, G.G.K.S. Narayana,Madhavi,Kunwar
, p. 3025 - 3031 (2008/09/19)
Three-component coupling of carbonyl compounds, homoallylic alcohols, and nitriles has been achieved using 20 mol % of phosphomolybdic acid (PMA) at ambient temperature via the Prins-Ritter sequence to furnish 4-amidotetrahydropyrans in high yields with a
Preparation and Stereochemistry of Some Substituted 2,6-Diphenyl-4-aminotetrahydropyrans
Chandrasekrar, Nallappan,Ramalingan, Kondareddiar,Herd, Melvin D.,Berlin, K. Darrell
, p. 4352 - 4358 (2007/10/02)
Four epimeric pairs of 2,6-diphenyl-4-aminooxanes (tetrahydropyrans) have been prepared by the reduction of oximes of 2,6-diphenyl-4-oxanones. Lithium aluminum hydride reduction of oximes affords a mixture of epimeric amines rich in the equatorially subst
