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The Allylic Protection Method in Solid-Phase Oligonucleotide Synthesis. An Efficient Preparation of Solid-Anchored DNA Oligomers. Y. Hayakawa, S. Wakabayashi, H. Kato, and R. Noyori, J. Am. Chem. Soc., 112, 1691-1696 (1990).

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A Facile Synthesis of Oligodeoxyribonucleotides via the Phosphoramidite Method without Nucleoside-Base Protection. Y. Hayakawa and M. Kataoka, J. Am. Chem. Soc., 120, 12395-12401 (1998).

(3)

Accounts: Toward an Ideal Synthesis of Oligonucleotides: Development of the Novel Phosphoramidite Method with High Capability. Y. Hayakawa, Bull. Chem. Soc. Jpn., in press.