Sugar lactams and lactim ethers, useful
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Veronique Moreaux; Heidi Warren; J Michael Williams
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Article
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1997
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Elsevier Science
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French
β 215 KB
The cyclisation of the conjugate base of N-aryl-2,3:5,6-di-O-isopropylidene-4-O-methanesulfonyl-Dgulonamides gave the D-allonolactam acetals. Sodium methoxide-promoted cyclisation of 2,3:5,6-di-Oisopropylidene-4-O-methanesulfonyl-D-mannononitrile gave the D-talonolactim ether. Tetrazole formation wi