1035811-98-3Relevant articles and documents
Synthesis of a stable mimic for the ring closed form of gallein, featuring a novel one pot boron tribromide mediated intramolecular cyclisation process
Crew, Andrew P. A.,Lyons, Amanda J.,Camp, Nicholas P.
, p. 1133 - 1135 (1999)
Treatment of 9-{2-[1-(1,3-dioxalan-2-yl)ethyl]phenyl}-3,4,5,6-tetrabenzyloxy-9H-xanthen-9-o l 14 with excess boron tribromide at -78°C, and warming to room temperature, provides a facile route to 3,4,5,6-tetrahydroxy-spiro(1H-indene-1,9-[9H]-xanthene-3-(2