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Cycloaddition mit ungesättigten Zuckern, I. Die 1,3‐dipolare Cycloaddition von Diphenylnitrilimin an α‐D‐ erythro ‐Hex‐2‐enopyranosid
Author(s) -
Gnichtel Horst,
Ronzheimer Arthur
Publication year - 1982
Publication title -
liebigs annalen der chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0170-2041
DOI - 10.1002/jlac.198219820518
Subject(s) - chemistry , cycloaddition , diastereomer , imine , stereochemistry , medicinal chemistry , organic chemistry , catalysis
Cycloaddition with Unsaturated Carbohydrates, I. — The 1,3‐Dipolar Cycloaddition of Diphenylnitrile Imine to α‐D‐ erythro ‐Hex‐2‐enopyranoside By 1,3‐dipolar cycloaddition of diphenylnitrile imine to ethyl 4,6‐di‐ O ‐acetyl‐2,3‐dideoxy‐α‐D‐ erythro ‐hex‐2‐enopyranoside ( 1 ) ethyl 4,6‐di‐ O ‐acetyl‐2,3‐dideoxy‐3′,4′‐dihydro‐2′,5′‐diphenyl‐2′ H ‐α‐D‐ menno ‐hexopyranosido[3,2‐ c ]pyrazole ( 2a ) and the [2,3‐ c ]‐regioisomer ( 3a; 2a: 3a = 4:1) were prepared.