Chemistry Letters p. 739 - 742 (1980)
Update date:2022-08-02
Topics:
Tanaka, Tsuguo
Rearrangement of 2,2'-spirobichroman derivatives having electron donating substituents into 4,4'-dihydroxy-1,1'-spirobiindane analogues was effected by boiling solution of the former in HBr- or HI-HBr-acetic acid.
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Doi:10.1016/S0040-4039(00)92735-7
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