Results 191 to 200 of about 453,943 (222)

Reactions of Lithiated Methoxyallene with Oxime Derivatives – Formation of 1,2-Oxazines and Functionalized Isoxazole Derivatives

, 2016
Marlyse Ghislaine Okala Amombo, W. Schade, H. Reissig   +2 more
semanticscholar   +1 more source

A highly stereoselective organocatalytic tandem aminoxylation/aza-Michael reaction for the synthesis of tetrahydro-1,2-oxazines.

Organic Letters, 2008
Di Zhu, Min Lu, P. J. Chua, B. Tan, Fei Wang, Xinhao Yang, Guofu Zhong   +6 more
semanticscholar   +1 more source

2-silyloxy-1,2-oxazines, a new type of acetals of conjugated nitroso alkenes.

Journal of Organic Chemistry, 2003
A. Tishkov, A. V. Lesiv, Yulya A. Khomutova, Yu. A. Strelenko, I. D. Nesterov, M. Y. Antipin, S. Ioffe, S. Denmark   +7 more
semanticscholar   +1 more source

A sequential enantioselective, organocatalytic route to chiral 1,2-oxazines and chiral pyridazines.

Organic and biomolecular chemistry, 2007
S. Kumarn, Alexander J. Oelke, D. M. Shaw, Deborah A. Longbottom, S. Ley   +4 more
semanticscholar   +1 more source

1,2‐Oxazines as Building Blocks for Stereoselective Synthesis: Preparation of Oxygen‐Substituted 1,2‐Oxazines, either by Alcohol Addition or by Epoxidation, and Subsequent Hydrogenation Leading to 1,2‐Amino Alcohols and Pyrrolidines

European Journal of Organic Chemistry, 2010
Hans-Ulrich Reissig
exaly  

Synthesis of New Enantiopure Bicyclic 1,2‐Oxazines by Addition of Lithiated Methoxyallene to Chiral Cyclic Nitrones

, 2003
R. Pulz, S. Cicchi, A. Brandi, H. Reissig   +3 more
semanticscholar   +1 more source

Enantiopure aminopyrans by a Lewis acid promoted rearrangement of 1,2-oxazines: versatile building blocks for oligosaccharide and sugar amino acid mimetics.

Chemistry, 2009
A. Al-Harrasi, F. Pfrengle, V. Prisyazhnyuk, Shahla Yekta, Peter Koóš, H. Reissig   +5 more
semanticscholar   +1 more source

A facile synthesis of oxazines by indium-induced reduction-rearrangement of the nitro β-lactams

Tetrahedron Letters, 2003
Bimal K Banik
exaly  

A hetero-Diels–Alder approach to functionalized 1H-tetrazoles: synthesis of tetrazolyl-1,2-oxazines, -oximes and 5-(1-aminoalkyl)-1H-tetrazoles

, 2010
Susana M. M. Lopes, Américo Lemos, T. P. Melo   +2 more
semanticscholar   +1 more source

Synthesis of 1,2- and 1,4-amino alcohols from 1,3-dienes via oxazines. Rearrangements of 1,4-amino alcohol derivatives to oxazolines

Tetrahedron, 2010
Tomas Hudlicky
exaly