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Synlett 1998; 1998(4): 396-398
DOI: 10.1055/s-1998-1671
DOI: 10.1055/s-1998-1671
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Efficient and Stereoselective Syntheses of (3-Imino-2,3-dihydro-1H-indol-2-ylidene)acetonitriles and -sulfones
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
Reaction of bislithiated substituted methylnitriles and -sulfones with oxalimidoyl dichlorides furnishes (3-imino-2,3-dihydro-1H-indol-2-ylidene)acetonitriles and -sulfones in good yield and with excellent stereocontrol.
ambident dianions - 3-oxo-indoles - alkaloids - sulfones - oxalimidoyl dichlorides