155728-88-4Relevant articles and documents
A novel synthesis of 2-hydroxymethyl-3-phenyl-1, 4-benzodioxanes
Ganesh,Krupadanam, G.L. David
, p. 3121 - 3131 (1998)
The reaction of 3,4-dihydroxybenzaldehyde (4a), methyl-(3,4-dihydroxy) benzoate (4b), ethyl-(3,4-dihydroxy) benzoate (4c), 3,4-dihydroxybenzonitrile (4d), 2,3-dihydroxynitrobenzene (4e) with 2-bromomethyl-3-phenyl oxirane (3) in acetone-K2CO3 medium gave six membered heterocycles, 2-hydroxymethyl-3- phenyl-1,4-benzodioxanes (5a-e) regioselectively.
A new synthesis of heterocyclic compounds with 1,5-benzodioxapine, 1,5-benzodiazepine, 1,5-benzothiazepine ring systems
Ganesh,Krupadanam, G.L. David
, p. 34 - 38 (2007/10/03)
A variety of seven membered heterocycles, 1,5-benzodioxapines 5a,b,e, 1,5-benzodiazepine 5c and 1,5-benzothiazepine 5d have been prepared by the reaction of 1,2-dihydroxy benzene 4a,1,2-diaminobenzene 4c,2-aminothiophenol 4d and pyrogallol 4c with 2-bromo