generation of ortho-quinone methides upon thermal extrusion of sulfur dioxide from benzosultones

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2005 Benzopyran derivatives R 0350 Generation of ortho-Quinone Methides upon Thermal Extrusion of Sulfur Diox- ide from Benzosultones. — A novel method for preparation of rather unknown chro- man-2,3-dicarboxylic acid derivatives is presented. — (WOJCIECHOWSKI*, K.; DOLATOWSKA, K.; Tetrahedron 61 (2005) 35, 8419-8422; Inst. Org. Chem., Pol. Acad. Sci., PL-01-224 Warszawa, Pol.; Eng.) — Nuesgen 50- 132

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2005

Benzopyran derivativesR 0350 Generation of ortho-Quinone Methides upon Thermal Extrusion of Sulfur Diox-

ide from Benzosultones. — A novel method for preparation of rather unknown chro-man-2,3-dicarboxylic acid derivatives is presented. — (WOJCIECHOWSKI*, K.; DOLATOWSKA, K.; Tetrahedron 61 (2005) 35, 8419-8422; Inst. Org. Chem., Pol. Acad. Sci., PL-01-224 Warszawa, Pol.; Eng.) — Nuesgen

50- 132