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C. Nmr, OCH 3 ) CDCl 3 ) ? 140, MHz, vol.132, issue.12822C

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1. Mhz, H. , and H. , 63 (s, 1H, 4.98-4.99 (m, 1H, H-10a), 4.88 and 4.73 (AB, J AB = 12.4 Hz 4.70 (m, 1H, H-10b), pp.27-34

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J. Ab, 92-3.99 (m, 2H, H-5 and H-1'), 3.75 (at, J = 10.1 Hz, 4.04 (at, J = 9.3 Hz 1.22 (d, J 2',1' = 6.2 Hz, 3H, H-2'); 13 C NMR (75 MHz, pp.62-65

. Min, 15 mL, 9.62 mmol) was added into the reaction mixture. The reaction mixture was stirred at room temperature overnight. Methanol (1 mL) was then added into the mixture (a white suspension)

H. Nmr, CDCl 3 ): ? 7.27-7.54 (m, 15H, Ar-H), 5.95-6.02 (m, 1H, H-8), 5.57 (s, 1H, 5.30 and 5.19 (ABX, J AB = 1.5 Hz, J AX = 17.2 Hz (trans)

. Phenyl, 6-O-benzylidene-2-O-propanol-?-D-glucopyranosyl sulfoxide 3.50: To a stirred solution of thioglycoside Phenyl 3-O-benzyl-4,6-O-benzylidene-2-O- propanol-1-thio-?-D-glucopyranoside 3

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/. Acoet and . Heptane, 53 (s, 1H, H NMR (500 MHz, pp.99-103

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