Results 241 to 249 of about 66,029 (249)

Kinetic Study of the Diels-Alder Reaction between Maleimide and Furan-Containing Polystyrene Using Infrared Spectroscopy. [PDF]

Polymers (Basel)
Wang T, Gao D, Yin H, Zhao J, Wang X, Niu H.   +5 more
europepmc   +1 more source

An Untethered and Formal Intermolecular Hexadehydro-Diels-Alder Reaction: Alkynylboronates with 2-(1,3-Butadiynyl)pyridines. [PDF]

J Am Chem Soc
Kaicharla T, Jin M, Hoye TR.
europepmc   +1 more source

Intramolecular Diels-Alder Reaction of a Biphenyl Group in a Strained meta-Quaterphenylene Acetylene. [PDF]

J Org Chem
Mittal K, Pham AV, Davis AG, Richardson AD, De Hoe C, Dean RT, Baird V, McDonald AR, Frantz DK.   +8 more
europepmc   +1 more source

Arylnaphthoquinones. 9. adducts diels-alder reaction of 2-aryl-1,4-benzoquinones with cyclopentadiene

R. Martyak, Roman Z. Lytvyn, Yuriy I. Horak, Мыкола Д. Обушак   +3 more
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Intramolecular Diels–Alder reactions of N-substituted oxazolones

Chemical Communications, 2002
The first intramolecular Diels-Alder reactions of simple trienes featuring an N-substituted oxazolone as the dienophilic component have been investigated and are reported herein.
Stephen Philip, Fearnley, Eleonora, Market   +1 more
openaire   +2 more sources

Stereocontrolled construction of rigid tricyclic bis(α-amino acid) derivatives by Ru(Ii)-catalyzed cascade and Diels–Alder reactions

Journal of the Chemical Society, Perkin Transactions 1, 2001
In the preparation of rigid and annulated tricyclic bis(α-amino acid) derivatives the key construction was effected by a Ru(II)-catalyzed RCM cascade reaction of gem-dienynes. The substrates were available by stepwise and stereocontrolled alkynylations and alkenylations of (2R)-2,5-dihydro-2-isopropyl-3,6-dimethoxypyrazine.
Jon Efskind, Christian Römming, Kjell Undheim   +2 more
openaire   +1 more source

Competing Diels–Alder reactions of activated nitroethylene derivatives and [3,3]-sigmatropic rearrangements of the cycloadducts

Chemical Communications, 2002
AbstractFor Abstract see ChemInform Abstract in Full Text.
Peter A, Wade, James K, Murray, Sharmila, Shah-Patel, Hung T, Le   +3 more
openaire   +2 more sources

1,2,3,5-Tetrahydro-1,2,3-methenopentalene, a Valence Isomer of Isoindene: Synthesis and Diels–Alder Reactions This work was supported by the Fonds der Chemischen Industrie and by Chemetall GmbH. S.E.L. and D.D.P. thank Heriot-Watt University, Edinburgh, and the European Community for an Erasmus exchange scholarship. Dipl.-Chem. Patrick Musch assisted us in the performance of the quantum-chemical calculations.

Angewandte Chemie International Edition, 2002
Thomas Fischer, Ulrike Kunz, Sarah E. Lackie, Carsten Cohrs, Daniel D. Palmer, Manfred Christl   +5 more
openaire   +1 more source

Highly Enantioselective Inverse-Electron-Demand Hetero-Diels–Alder Reactions of α,β-Unsaturated Aldehydes This work was supported by the NIH (GM-59316), with additional support from the Schweizerischer Nationalfonds zur Förderung der wissenschaftlichen Forschung (postdoctoral fellowship to K.G.), and the National Science Foundation (predoctoral fellowship to D.E.C.). We are grateful to Dr. R. Staples for carrying out the X-ray crystal structure analysis of 1.

Angewandte Chemie, 2002
Karl Gademann, David E. Chavez, Eric N. Jacobsen   +2 more
openaire   +1 more source