... Carbohydrate Research. Volume 326, Issue 2, 2 June 2000, Pages 81–87. ... of 12 (0.50 g, 1.41 mmol) in methanolic NaOMe [from Na (0.17 g) in MeOH (6.5 mL)] was heated under reflux for 5 h. The solution was neutralised (CO 2 ) and concentrated to half volume after the ...