87712-58-1Relevant articles and documents
Vinylic Cations from Solvolysis. 39. Solvolysis of 9-(α-Bromo- and α-(tosyloxy)-p-methoxybenzylidene)xanthenes
Rappoport, Zvi,Kaspi, Joseph,Tsidoni, Dov
, p. 80 - 84 (2007/10/02)
The solvolysis of 9-(α-bromo-p-methoxybenzylidene)xanthene (5) and its α-tosyloxy analogue 6 was investigated.In 80percent EtOH/2,6-lutidine 5 forms the 9-ethoxy derivative 8 and 9-(4-methoxybenzoyl)xanthene (9).The titrimetric rate constant kt