Abstract
Convenient and efficient procedures were developed for preparation of 3,4,5-trimethoxybenzyl sulfides and ethers containing vinyl, allyl, and propargyl groups proceeding from 3,4,5-trimethoxybenzyl alcohol, elemental sulfur, and thiourea in basic and basic-reductive systems (hydrazine hydrate‒KОН‒DMF, NaBH4‒EtOH, KОН‒DMSO). The effective method of the synthesis of 1,1'-[disulfandiylbis(methylene)]bis-(3,4,5-trimethoxybenzene) consists in the reduction of the elemental sulfur to disulfide anion with hydrazine hydrate in the presence of KОН followed by the reaction with 3,4,5-trimethoxybenzyl chloride under the conditions of phase-transfer catalysis or in DMF.
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Original Russian Text © V.A. Potapov, V.A. Panov, M.V. Musalov, S.A. Zhivet’eva, M.V. Musalova, A.G. Khabibulina, S.V. Amosova, 2016, published in Zhurnal Organicheskoi Khimii, 2016, Vol. 52, No. 11, pp. 1579–1583.
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Potapov, V.A., Panov, V.A., Musalov, M.V. et al. Efficient synthetic methods for unsaturated 3,4,5-trimethoxybenzyl sulfides and ethers. Russ J Org Chem 52, 1571–1575 (2016). https://doi.org/10.1134/S107042801611004X
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DOI: https://doi.org/10.1134/S107042801611004X