Deacetylation of N(α)-methylated glycopeptides reveals that aza- enolates provide protection against β-elimination of carbohydrates O-linked to serine

Tetrahedron Letters

Volumn 41, Issue 22, 2000, Pages 4435-4439

  Sjölin, Petter ^a   Kihlberg, Jan ^a  

^a UMEÅ UNIVERSITY   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

ACETIC ACID DERIVATIVE; CARBOHYDRATE; GLYCOPEPTIDE; METHYL GROUP; SERINE;

ARTICLE; CHEMICAL BOND; CHEMICAL REACTION; DEACETYLATION; GLYCOSYLATION; METHYLATION;

EID: 17644432406     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(00)00611-0     Document Type: Article

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13. + 860 calcd, 860 obsd.
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15. + 709 calcd, 709 obsd.
16. Rink, H. Tetrahedron Lett. 1987, 28, 3787-3790.
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18. + 563 calcd, 563 obsd.
19. 4),?? (ppm): Ala 4.41 (m, 1H, H-?), 1.25 (d, 3H, Me); ΔApa 6.19 (s, 1H, H-?), 5.72 (s, 1H, H-?); Phe 4.61 (m, 1H, H-?), 3.3-3.4 (m, 1H, H-?), 3.05 (br t, 1H, J=12.4 Hz, H-