Organic letters

Anthraquinon-2-ylmethoxycarbonyl (Aqmoc): a new photochemically removable protecting group for alcohols

T Furuta, Y Hirayama, M Iwamura

Index: Furuta, Toshiaki; Hirayama, Yuuki; Iwamura, Michiko Organic Letters, 2001 , vol. 3, # 12 p. 1809 - 1812

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Citation Number: 67

Abstract

Synthesis and photochemistry of a new photochemically removable protecting group for alcohols is described. Four carbonates of galactose derivatives (1-4) were synthesized from the corresponding arylmethanols via 4-nitrophenyl carbonate intermediates. Among them, photolysis of anthraquinon-2-ylmethoxycarbonyl (Aqmoc) galactose (1) proceeded with overall photolysis efficiency of 150 (quantum yield 0.10, and molar absorptivity 1500 M-1 ...

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