Alkyl isocyanides react with 2-hydroxybenzaldehyde or 2-hydroxy-5-nitrobenzaldehyde to
afford N-alkyl-2-aryl-2-oxoacetamides and N2, N4-dialkyl-2-aryl-4H-1, 3-benzodioxine-2, 4 …

1, 2-Indanedione reacts with two equivalents of 2-mercaptoethanol to produce, instead of
the expected 1, 2-bis (1, 3-oxathiolane), a dioxa-dithia [4.4. 3] propellane. Other 1, 2 …

A facile efficient synthesis of novel 3-aryl-5, 6-dihydro-1, 4, 2-oxathiazin-6-ols from the
reaction of (E)-N-hydroxyarylimidoyl chlorides and 1, 4-dithiane-2, 5-diol in the presence of …

N 3a, N 6a-Dibenzyl-2, 5-dioxotetrahydroimidazo [4, 5-d] imidazole-3a, 6a (1 H, 4 H)-
dicarboxamide was obtained by the reaction of diethyl 2, 5-dioxotetrahydroimidazo [4, 5-d] …

Diaryl-1-aza-1, 3-butadienes (I) undergo a stereospecific 1, 4-cycloaddition reaction with
aryl sulphonyl nitrosites (II) generated 'in situ'by the reaction of aryl sulphinic acid and ethyl …

An optimized procedure for the Cadiot-Chodkiewicz coupling of mono-and
dipropargylamines with iodododecyne to yield the diynylamines bis (pentadeca-2, 4-diyn-1 …

The zwitterionic 1: 1 intermediates generated by addition of alkyl isocyanides to acetylenic
esters are trapped by 3-methyl-5, 5-diaryl-2-thioxoimidazolidin-4-ones to yield dialkyl 2 …

A set of synthetic procedures was developed to yield functionalized pyrido‐, pyrimido‐, and
thiazo‐annulated thiadiazine‐1, 1‐dioxides on a preparative scale. In all cases the …

Abstract A series of fused 1, 3, 4‐oxadiazines were regioselectively prepared in reasonable
yields as major products from the reactions of the corresponding α‐carbonyl hydrazones …

Abstract Facile synthesis of trimethoxyphenyl-1, 3-dihydrospiro [indene-2, 6ʹ-[1, 3] thiazines
was achieved during reaction of trimethoxyphenyl hydrazinecarbonothioyl …