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. Author manuscript; available in PMC: 2010 Apr 13.
Published in final edited form as: J Org Chem. 2009 Feb 6;74(3):1070–1081. doi: 10.1021/jo802037v

Scheme 1.

Scheme 1

Synthesis of N2′-functionalized 2′-amino-α-L-LNA phosphoramidites. DMTr = 4,4′-dimethoxytrityl, T = thymin-1-yl, Py = pyren-1-yl, EDC·HCl = 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride, HATU = O (7-Azabenzotriazole-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate.