Michael 1:1 adducts by acid catalyzed reaction during synthesis of spiro and spiroketal compounds. Bangladesh Journal of Scientific and Industrial Research, [S. l.], v. 55, n. 4, p. 283–288, 2020. DOI: 10.3329/bjsir.v55i4.50967. Disponível em: https://www.banglajol.info/index.php/BJSIR/article/view/50967. Acesso em: 3 jul. 2026.