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ChemInform Abstract: Boulton-Katritzky Rearrangement of 5-(Cyanoimino)-1,2,4-thiadiazolines.

โœ Scribed by H. SONNENSCHEIN; E. SCHMITZ; E. GRUENDEMANN; E. SCHROEDER

Book ID
112021492
Publisher
John Wiley and Sons
Year
2010
Weight
30 KB
Volume
26
Category
Article
ISSN
0931-7597

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Boulton-Katritzky Rearrangement of 5-(cy
Boulton-Katritzky Rearrangement of 5-(cyanoimino)-1,2,4-Thiadiazolines
โœ Sonnenschein, Helmut ;Schmitz, Ernst ;Grรผndemann, Egon ;Schrรถder, Edith ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 376 KB

## Abstract The products of the addition of nucleophiles (alcohols, amines) to the cyano group of 5โ€(cyanoimino)thiadiazolines 1 undergo a Boultonโ€Katritzky rearrangement. The thiadiazoles 4 are formed by subsequent nitrile elimination. In the case of bicyclic thiadiazoloazepine 5 an equilibrium mi