期刊
TETRAHEDRON
卷 60, 期 9, 页码 2079-2081出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2003.12.062
关键词
D-galactono-1,4-lactone; D-mannono-1,4-lactone; 6-bromo-6-deoxy-D-hexono-1,4-lactones; seven-member azasugars; 6-amino-6-deoxy-D-galactono; D-mannono-1,6-lactams
Regioselective bromination of unprotected D-galactono-1,4-lactone and D-mannono-1,4-lactone with PPh3/CBr4 led to 6-bromo-6-deoxy derivatives. These intermediates were treated with LiN3 and hydrogenated to give 6-amino-6-deoxy-D-galactono-1,6-lactam (8) and 6-amino-6-deoxy-D-mannono-1,6-lactam (13) in 74 and 67% overall yield, respectively. (C) 2004 Elsevier Ltd. All rights reserved.
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