KANG, HAN YOUNG Cho, Yong Seo Koh, Hun Yeong Chang, Moon Ho 2024-01-21T23:44:26Z 2024-01-21T23:44:26Z 2021-08-31 1991-06 0040-4039 https://pubs.kist.re.kr/handle/201004/146794 It is demonstrated that the [3+2] cycloaddition of a nitrone to an alkyne is facile when the length of the tether connecting the two reacting sites is appropriate. The resulting [3+2] cycloaddition products, isoxazolidines can be further converted to 3-hydroxy-3-pyrrolin-2-ones and alpha-keto-beta, gamma-unsaturated esters by reductive and oxidative cleavage, respectively. English Elsevier BV Intramolecular [3+2] nitrone-alkyne cycloaddition Article 10.1016/0040-4039(91)85084-I 1 Tetrahedron Letters, v.32, no.24, pp.2779 - 2782 Tetrahedron Letters 32 24 2779 2782 N scopus A1991FN52400023 Chemistry, Organic Chemistry Article ALPHA,BETA-UNSATURATED CARBONYL-COMPOUNDS ADDITIONS OXIDATION intramolecular nitron alkyne cycloaddition