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ChemInform Abstract: Addition of Thiols to α,β‐Unsaturated Esters in the Presence of Alumina. by Yoshitada Suzuki; Goroh Saitoh; Satoru Nawa; Mitsuo Kodomari is a Chemistry article available to read on EtoBox.

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Addition of Thiols to α,β-Unsaturated Esters in the Presence of Alumina. -Michael-type additions of thiols to α,β-unsaturated esters in the presence of neutral alumina proceed easily under appropriate mild conditions to give the corresponding adducts [cf. (III), (VI)/(VII)] in good to excellent yields. o-Aminothiophenol (VIII) reacts selectively at the S-atom to furnish adducts (IX) in high yield. However, adducts of (VIII) with butenedicarboxylic acids are highly instable and cyclize immediately into benzothiazine derivatives [cf. (XI)].

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Author

Yoshitada Suzuki; Goroh Saitoh; Satoru Nawa; Mitsuo Kodomari

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley (ISSN 0931-7597)

Published

1999

Language

EN

Field

Chemistry (Physical Sciences)