Sv. Tolmachev et al., Vinyl ethers containing an isothiocyanato group: XVII. Bis-acetals containing isothiocyanato groups on the basis of aromatic diols, RUSS J ORG, 37(1), 2001, pp. 1-4
2-Vinyloxyethyl isothiocyanate reacts with aromatic diols: catechol, resorc
inol, hydroquinone, 2,3-dihydroxynaphthalene, and 2,2-bis(p-hydroxyphenyl)p
ropane, in the presence of 0.25-0.5 wt % of trifluoroacetic acid (55-80 deg
reesC, 0.5-2 h) to give bis-acetals containing isothiocyanato groups in qua
ntitative yield.