Synthesis of Aldimines by Deoxygenation of Nitrones

Sivasubramanian, S.; Ramamoorthy, V.; Balasubramanian, Gopalakrishnan

doi:10.1080/00304949509458457

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Scheme 261

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“…Trimethylsilyl cyanide was found to give predominantly the synstereoselectivity product 73 in high yield (84%, syn :anti 95 : 5 ) (Scheme 29).70 The deoxygenation of nitrones to give aldimines Scheme 32 can be achieved readily by the use of triphenylphosphine at 200 "C in yields of 79-87%. 73 The deoxygenation can also be achieved using benzyltriethylammonium tetrathiomolybdate in acetonitrile at 25 "C (60-88% yields).74…”

Section: Scheme 26mentioning

confidence: 99%