2-[(R)-2-amino-1-butylthio]benzothiazole hydrochloride 、
(2R,3R,4R,5R)-4-(acetyloxy)-2-[(acetyloxy)methyl]-5-(2,6-dichloro-9H-purin-9-yl)tetrahydro-3-furanyl acetate 、 2',3',5'-tri-O-acetyl-2-chloro-N-[(R)-1-[(2-benzothiazolyl)thio]-2-propyl]adenosine 、
sodium methylate 在
N-[(R)-1-(2-benzothiazolyl)thio-2-butyl]-2-chloroadenosine 作用下,
以
甲醇 为溶剂,
以This provided the title N-[(R)-1-(2-benzothiazolyl)thio-2-butyl]-2-chloroadenosine (0.93 g, 51%) (following column chromatography), 1H NMR (DMSO-d6) δ 1.38 (3H, d, --CH2CH3), 1.65-1.86 (2H, m, --CH2CH3), 3.95 (1H, q, H-4'), 4.14 (1H, d, H-3'), 4.48-4.62 (2H, m, H-2' and --CHCH2H3), 5.07 (1H, t, 5'-OH), 5.22, 5.50 (2H, 2d, 2'- and 3'-OH), 5.83 (1H, d, H-1'), 7.34, 7.45 (2H, 2t, Ar-H), 7.84, 8.0 (2H, 2d, Ar-H)的产率得到N-[(R)-1-(2-benzothiazolyl)thio-2-butyl]-2-chloroadenosine