“…After further 5 min, compound 1a (4 mmol, 512 mg) was added in one portion and the resulting slurry was stirred until all starting material was consumed. 5-Phenylpent-4-yne-2,3-diol (2b): [29] Compound 1b (1.42 g, 10 mmol), NaIO 4 (3.2 g, 15 mmol), RuCl 3 (0.5 mL, 0.1 in H 2 O), H 2 SO 4 (2 mL, 1 ) and NaOAc/MeCN/H 2 O (30 mL:30 mL/ 7.5 mL) were treated the same procedure as 2a. -1-ynyl)cyclohexane-1,2-diol (2c): [30] Compound 1c (1.20 g, 10 mmol) and K 3 Fe(CN) 6 -1-ynyl)-4-methyl-1,3-dioxolan-2 4 ] (0.1 mmol, 10 mol-%), (BuO) 3 P (0.2 mmol, 20 mol-%) and CH 2 Cl 2 (2 mL), the mixture was stirred at room temp.…”