Results 101 to 110 of about 5,904 (191)

Thiophene Derivatives as Versatile Precursors for (Hetero)Arene and Natural Product Synthesis. [PDF]

Angew Chem Int Ed Engl
Keimer A, Haut FL.
europepmc   +1 more source

Transition-state aromaticity and its relationship with reactivity in pericyclic reactions. [PDF]

Beilstein J Org Chem
Fernández I.
europepmc   +1 more source

Asymmetric formal [1 + 2 + 2]-cycloaddition of diazoamides with enamines and carbonyl compounds. [PDF]

Nat Commun
Dong S, Yao M, Wang Y, Xie X, Jiang X, Xu X.   +5 more
europepmc   +1 more source

Asymmetric Isochalcogenourea-Catalyzed Synthesis of 3,4-Dihydropyrans via (4+2)-Cycloadditions of Ethyl But-3-ynoate with Michael Acceptors. [PDF]

Synlett
Hofer M, Piringer M, Scheucher A, Vogl LS, Waser M.   +4 more
europepmc   +1 more source

Decarboxylative 1,3-dipolar cycloaddition of amino acids for the synthesis of heterocyclic compounds. [PDF]

Beilstein J Org Chem, 2023
Zhang X, Ma X, Zhang W.
europepmc   +1 more source

Influence of the Nature of Group 15 Element on [Au^I]-C≡E/Azide 1,3-Dipolar Cycloaddition Reaction. [PDF]

Inorg Chem
González-Pinardo D, Fernández I.
europepmc   +1 more source

Solvent Effects on the Selectivity of Ambimodal Dipolar/Diels-Alder Cycloadditions: A Study Using Explicit Solvation Models. [PDF]

Chemphyschem
Matsubuchi H, Hayashi D, Okamoto D, Noguchi A, Nakagawa S, Takayanagi T, Murakami T.   +6 more
europepmc   +1 more source

Studies on Indolizines and Azaindolizines. I. The 1, 3-Dipolar Cycloaddition of Acetylenic Compounds to Pyridazinium Ylides

Chemical and Pharmaceutical Bulletin, 1973
MASAKI, YUKIO, OTSUKA, HIDEO, NAKAYAMA, YOSHIE, HIOKI, MASAHARU   +3 more
openaire   +2 more sources

A Remarkable Selectivity Observed in Hetero-Diels-Alder Reactions of Levoglucosenone (LGO) with Thiochalcones: An Experimental and Computational Study. [PDF]

Molecules
Mlostoń G, Urbaniak K, Palusiak M, Würthwein EU, Reissig HU, Witczak ZJ.   +5 more
europepmc   +1 more source

Tunable Endo/Exo Selectivity in Direct Catalytic Asymmetric 1,3-Dipolar Cycloadditions with Polyfunctional Lewis Acid / Azolium-Aryloxide Catalysts. [PDF]

Angew Chem Int Ed Engl
Bürstner A, Becker PM, Allgaier A, Pfitzer L, Wanner DM, Dollinger J, Willig F, Herrmann J, Miskov-Pajic V, Hans AC, Frey W, van Slageren J, Kästner J, Peters R.   +13 more
europepmc   +1 more source