in ethanol IrradiationDirect irradiation using 300-W Hg-lamp filtered by Corning CS-052 (>350 nm).; Further byproducts given. Title compound not separated from byproducts;
methylene blue in ethanol Irradiationirradiation with 150-W tungste lamp, filtered by Na2CrO4 (400g/L); Further byproducts given. Title compound not separated from byproducts;
in ethanol Irradiationdirect irradiation using 300-W Hg-lamp filtered by Corning CS-052 (>350 nm), with about 10-fold excess of dabco; Further byproducts given. Title compound not separated from byproducts;
