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Microsoft Word - Prachayasittikul_thiotetrahydropyridine_proof_060509.doc
acetyl-2-(1-adamantylthio)-3,4-diacetoxy- 5-methyl (or phenyl)-1,2,3,4-tetrahydro- pyridines (15a-b), 1-acetyl-2-(1-adaman-
tylthio)-3-hydroxy-3-methyl-4-acetoxy- 1,2,3,4-tetrahydropyridine (16), 1-acetyl-2- [...] (OH), 1650 (CO) cm-1; UV(95 % ethanol)λmax nm (logε): 202 (4.33), 243 (4.07); 1H-NMR (300 MHz, CDCl3): δ6.12 (d, J = 4.1 Hz, 1H, H-5), 5.95 (d, J = 4.1 Hz, 1H, H-6), 5.64 (d, J = 1.2 Hz, 1H, H-2), 3.95 (d [...] Thus, 1-acetyl-2-(1-adamantyl thio)-3,4-diacetoxy-5-methyl-1,2,3,4-tetra- hydropyridine (15a) and 1-acetyl-2-(1-ada- mantylthio)-3-hydroxy-3-methyl-4-acetoxy- 1,2,3,4-tetrahydropyridine (16) represent a …