82309-95-3Relevant articles and documents
Synthesis and Determination of the Absolute Configuration of the Proximal (S,S)-1,1'-Dimethyl-2,2'-spirobiindane
Lemmen, Peter
, p. 1902 - 1910 (2007/10/02)
The proximal (S,S)-1,1'-dimethyl-2,2'-spirobiindane (1a) is synthesized as the racemic mixture and with more then 98.5percent optical purity.Its absolute configuration is determined by the path of synthesis.Key-steps are the trans-alkylation of 3 yielding