ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

4,4'-Dimercaptodibutyl ether and some of its derivatives

Ľ. Krasnec, L. Szücs, and J. Ďurinda

Komensky University, Bratislava

Abstract: [HS(CH₂)₄]₂O (I), b0.4 100-1°, was prepd. with a new method in a shorter time and higher yield (77%) based on the alkali decompn. of dithiuronic salt formed from [Cl(CH₂)₄]O and thiourea than with the method of Reppe, et al (CA 50, 16777d). By reaction of I with Me₂SO₄ and Et₂SO₄ in alkali medium, 78% [MeS(CH₂)₄]₂O (II), b0.5 116°, and 67.5%[EtS(CH₂)₄]₂O (III), b0.4 119-21°, both oily liquids of unpleasant odor, were prepd. By oxidn. of II and III with H₂O₂ in AcOH, [MeSO₂(CH₂)₄]₂O, m. 85.5°, yield 79%, and [EtSO₂(CH₂)₄]₂O, m. 99-100°, yield 80.6%, were prepd. By a new method, oxidn. of I with H₂O₂ in AcOH, [HO₃S-(CH₂)₄]₂O (IV), sirup-like liquid, yield 85%, was prepd. By neutralization of IV, Na, K, Pb, and Ba salts were prepd.

Full paper in Portable Document Format: 146a464.pdf (in Slovak)

Chemical Papers 14 (6) 464–467 (1960)