672917-13-4Relevant articles and documents
Conversion of diacetyl-C-(β-D-glucopyranosyl)phloroglucinol to spiroketal compounds
Sato, Shingo,Kumazawa, Toshihiro,Watanabe, Ko-Ichi,Matsuba, Shigeru,Onodera, Jun-Ichi
, p. 429 - 433 (2007/10/03)
Diacetyl-C-(β-D-glucopyranosyl)phloroglucinol was converted by refluxing in water to spiro(benzofuran-[2H]furan) a new compound, along with spiro(benzofuran-[2H]pyran). The stereochemistry of the quaternary carbon of both spiro compounds had an S-configuration.