2-[(R)-2-amino-1-propylthio]-6-ethoxybenzothiazole hydrochloride 、 、
6-乙氧基-2-巯基苯并噻唑 、
(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-(6-ethoxy-2-benzothiazolyl)thio-2-propyl]adenosine 、
sodium methylate 在
2-Chloro-N-[(R)-1-(6-ethoxy-2-benzothiazolyl)thio-2-propyl]adenosine 作用下,
以
甲醇 为溶剂,
以to provide the title N[(R)-1-(6-ethoxy-2-benzothiazolyl)thio-2-propyl]-2-chloroadenosine (0.22 g, 17%) as a foam (following column chromatography), 1H NMR (DMSO-d6) δ 1.32-1.40 (6H, m, --CH2CH3 and --CHCH3), 3.44-3.81 (4H, m, H-5'a and H-5'b and --CH2 --), 3.97 (1H, d, H-4'), 4.08 (2H, q, --CH2CH3), 4.14 (1H, d, H-3'), 4.53 (1H, q, H-2'), 4.68 (1H, m, --CH), 5.09 (1H, t, 5'-OH), 5.23, 5.51 (2H, 2d, 2'- and 3'-OH), 5.83 (1H, d, H-1'), 7.06, 7.57, 7.74 (3H, 3d, Ar-H), 8.42 (1H, s, H-8), 8.53 (1H, d, N--H)的产率得到2-Chloro-N-[(R)-1-(6-ethoxy-2-benzothiazolyl)thio-2-propyl]adenosine