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2005
Benzothiazole derivatives
R 0270
Efficient and Selective Deprotection Method for N-Protected 2(3H)-Benzoxazoloand 2(3H)-Benzothiazolones. — It is found that the Bz, CONHEt, COOEt, and
09- 116 nes
Mes group can be cleaved smoothly under neutral and basic conditions but not in acid
media. The SO2Ph group does not react in acid and basic media. Mom and Mem groups
can be removed effectively in the presence of TFA, but are not attacked under neutral
and basic conditions. Deprotection of the acetyl group takes place both under acid,
basic, and neutral conditions. — (CARATO*, P.; YOUS, S.; SELLIER, D.;
POUPAERT, J. H.; LEBEGUE, N.; BERTHELOT, P.; Tetrahedron 60 (2004) 45,
10321-10324; Lab. Chim. Ther., Fac. Sci. Pharm. Biol., F-59006 Lille, Fr.; Eng.) —
Jannicke
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