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Microsoft Word - Prachayasittikul_270910_proof.doc
07, (5s, 15H, 1-AdmH), 1.85 (s, 3H, NCOCH3), 2.33 (s, 3H, OCOCH3), 5.50-5.56 (m, 2H, H-3, H-6), 5.63 (d, J = 11.4 Hz, 1H, OH), 6.28 (d, J = 2.1 Hz, 1H, H-2), 6.35 (d, J = 3.0 Hz, 1H, H-5), 7.25 (s, 5H, PhH) [...] (NCOCH3), 21.7 (OCOCH3), 29.3 (3 × CH-1-Adm), 35.0, 36.0 (6 × CH2-1-Adm), 57.8 (Cqua-1- Adm), 61.8 (C-2), 67.7 (C-3), 73.7 (C-6), 125.6, 129.0, 136.6 (Ph-C), 132.1 (C-5), 136.6 (C-4), 170.5 (NCOCH3), 172 [...] sulfoxide 3 in CDCl3
δH (ppm) Carbon correlated with δH (ppm)
6.35 (H-5) 67.7 (C-3), 136.6 (Ph-C-1′)
6.28 (H-2) 57.8 (Cqua-1-Adm), 67.7 (C-3), 73.7 (C-6), 132.1 (C-4), 170.5 (NCOCH3)
5.50-5.56 (H-3) 136.6 …