[3, 3]??Sigmatropic rearrangement of 1??alkenyl allenyl sulfides. Synthesis of γ, δ??acetylenic aldehydes and ketones

L Brandsma, HD Verkruijsse

Index: Brandsma,L.; Verkruijsse,H.D. Recueil des Travaux Chimiques des Pays-Bas, 1974 , vol. 93, p. 319 - 320

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Abstract

(0.02 gat) of sodium metal was added in small pieces at - 33°C. After the sodium had been consumed 1.07 g (0.02 mol) of NH,CI was introduced and the ammonia evaporated on a water bath of 4oOc. The residue was washed with chloroform and 5-mercapto-I-methyl- ... 24 hours at room temperature the solution was again saturated ... 1H-1,2,3-triazole 10 was isolatedfrom the resulting solid by sublima- ... 2. Synthesis of5-(suh.stituted)amino-1.2.3-thiadiazoles 4 A solution of ...