Simple, Mild and Efficient Thioacetalization and Transthioacetalization of Carbonyl Compounds and Deprotection of Thioacetals: Unique Role of Thiols in the Selectivity of Thioacetalization - Das, Biswanath; Ramu, Ravirala; Reddy, Majjigapu Ravinder; Mahender, Gurram (Synthesis, 2005)