Synthesis of 1, 2-dithiolane-3, 5-diones and thietane-2, 4-diones

JH Schauble, JD Williams

Index: Schauble,J.H.; Williams,J.D. Journal of Organic Chemistry, 1972 , vol. 37, # 15 p. 2514 - 2516

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Citation Number: 9

Abstract

Preparation of the Bisthiomalonic Acids la-c.-In a 250-m1 round-bottom flask equipped with gas inlet and outlet tubes, pressure-equalizing funnel, ice bath, and magnetic stirrer was placed 36 g of anhydrous pyridine. The pyridine was saturated with hydrogen sulfide for 30 min; then a solution of 0.05 mol of the appropriate disubstituted malonyl chloride in 20 ml of anhydrous ether was added oiu the dropping funnel over a period of 2-3 hr (bath ...