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An Efficient Method for the Synthesis of A 1,6-Anhydro-α-D-Galactofuranose Derivative and its Application in the Synthesis of Oligosaccharides

 

作者: Sujit Kumar Sarkar,   Ambar Kumar Choudhury,   Balaram Mukhopadhyay,   Nirmolendu Roy,  

 

期刊: Journal of Carbohydrate Chemistry  （Taylor Available online 1999）
卷期: Volume 18, issue 9  

页码: 1121-1130

 

ISSN:0732-8303

 

年代: 1999

 

DOI:10.1080/07328309908544059

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Synthesis of 1,6-anhydro-2,3,5-tri-O-benzoyl-β-D-galactofuranose (3) has been achieved in good yield by stannic chloride catalysed ring closure of methyl 2,3,4-tri-O-benzoyl-6-O-benzyl-β-D-galactofuranoside (1). The anhydro compound 3 was converted to the furanoside donors6and7with an easily removableO-6 acetyl group. The donors6and7were utilised for the synthesis of a di- and a trisaccharide containing β-D-galactofuranosides.

 

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