Chemical communications

Fully selective intramolecular ortho photocycloaddition of 4-(4-methoxy-phenoxy)-3-(N 3-benzoylthymin-1-yl) but-1-ene: an unprecedented benzene–thymine …

JV der Eycken, DD Keukeleire

Index: Saeyens, Wim; Busson, Roger; Van Der Eycken, Johan; Herdewijn, Piet; De Keukeleire, Denis Chemical Communications, 1997 , # 9 p. 817 - 818

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Abstract

On irradiation of 4-(4-methoxyphenoxy)-3-(N 3-benzoylthymin-1-yl) but-1-e ne 1 at 254 nm in THF a single photoadduct 2 is formed as a result of chemo-, regio-and stereo-selective intramolecular ortho photocycloaddition of the thymine double bond to the 1, 2-positions of