100037-77-2Relevant academic research and scientific papers
Intermolecular and intramolecular cycloaddition reactions of 1-ethyl-1,2,4-triazinium salts with alkynes
Mochulskaya,Andreiko,Charushin,Shulgin,Raikov,Solomonov
, p. 19 - 21 (2007/10/03)
Azomethyne ylides generated from 3-alkylthio substituted 1-alkyl-5-aryl-1,2,4-triazinium salts 4a-c on treatment with triethylamine undergo 1,3-dipolar cycloaddition with dimethyl acetylenedicarboxylate to give pyrrolo[2,1-f][1,2,4]triazines, while 1-ethy
REACTIVITY OF 3-ALKYNYLTHIO-1-ETHYL-1,2,4-TRIAZINIUM SALTS IN INTRAMOLECULAR DIELS-ALDER REACTION
Charushin, N. Valery,Veldhuizen, Beb van,Plas, Henk C. van der,Stam, Casper H.
, p. 6499 - 6510 (2007/10/02)
Quaternization of 3-(3-butynylthio) and 3-(4-pentynylthio) substituted 1,2,4-triazines with triethyloxonium tetrafluoroborate in CH2Cl2 at room temperature occurs exclusively at N-1 yielding 3-alkynylthio-1-ethyl-1,2,4-triazinium salts, as unequivocally s
Intramolecular Diels-Alder Reactions of 1,2,4-Triazines. A Facile Synthesis of Thienopyridines and 3,4-Dihydro-2H-thiopyranopyridines
Taylor, Edward C.,Macor, John E.
, p. 4280 - 4287 (2007/10/02)
Thienepyridines and 3,4-dihydro-2H-thiopyranopyridines have been prepared in high overall yields via intramolecular Diels-Alder reactions of properly substituted 1,2,4-triazine derivatives.A one-pot synthesis of 2,3-dihydrothienopyrid
NOVEL INTRAMOLECULAR DIELS-ALDER REACTIONS WITH ALKYNYLTHIO DERIVATIVES OF 1,2,4-TRIAZINES. NEW ROUTES TO THIENOPYRIDINES AND THIENOPYRIDINES
Taylor, Edward C.,Macor, John E.
, p. 2419 - 2422 (2007/10/02)
S-Alkylation of 1,2,4-triazine-6-thiones with 4-iodobutyne, followed by oxidation to the sulfoxide and intramolecular cycloaddition (at room temperature), gives 2,3-dihydrothienopyridines, which are readily dehydrated with acetic anhydride to thien
