Tetrahedron Letters p. 427 - 430 (1990)
Update date:2022-07-30
Topics:
Dreef-Tromp
Hoogerhout
Van Der Marel
Van Boom
2-(Tert-butyldiphenylsilyloxymethyl)benzoyl chloride (SiOMB-Cl) reacts with the per-O-trimethylsilylated d-nucleosides C,G and A to give, after removal of the Si(Me)3 groups and 5′-O-protection with 4,4′-dimethoxytrityl chloride (DMT-Cl), the corresponding N-SiOMB-5′-O-DMT derivates, the SiOMB groups of which can easily be removed by fluoride ion. The SiOMB protected nucleosides proved to be suitable building units for the preparation of DNA fragments in solution and on a solid support.
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