Помогите скачать пару статей:
Malcolm R. Banks. Fries rearrangement of some 3-acetoxy- and 3-propionyloxy-thiophenes.
J. Chem. Soc., Perkin Trans. 1, 1986(3), 507 - 513.
- DOI:
http://dx.doi.org/10.1039/P19860000507
Reactions with methyl 3-hydroxythiophene-2-carboxylate. Part 2. A new route to mono- and di-alkyl ethers of thiotetronic and -halogenothiotetronic acids
J. Chem. Soc., Perkin Trans. 1, 1984(12), 2711 - 2714.
- DOI:
http://dx.doi.org/10.1039/P19840002711