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2005
Quinones
Q 0910
08- 095
Chlorosulfonation of 2-Anilino-1,4-naphthoquinone and Synthesis of Newer Sulfonyl Derivatives. — In view of the biological importance of 2,3-disubstituted-1,4-naphthoquinones, anilinonaphthoquinone (I) is subjected to chlorosulfonation to
achieve a reactive position towards electrophiles. Intermediate (II) serves as a building
block for the synthesis of naphthoquinonoid systems containing sulfonamides, sulfonyl
pyrazoles, sulfonyl thiazolidinones, and sulfonyl triazoles of expected biological activity. — (BERGHOT*, M. A.; ALMUAIKEL, N. S.; Phosphorus, Sulfur Silicon Relat.
Elem. 179 (2004) 10, 1907-1922; Dep. Chem., Fac. Sci., Mansoura Univ., New
Damietta, Egypt; Eng.) — H. Hoennerscheid
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