Synthesis of 3-Alkyl- and 3-Chloroalkyl-2-hydroxybenzoates Based on [3+3] Cyclizations of 4-Alkyl- and 4-Chloroalkyl-1,3-bis(trimethylsilyloxy)buta-1,3-dienes - Nguyen, Van Thi Hong; Bellur, Esen; Appel, Bettina; Langer, Peter (Synthesis, 2006)