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b-D-Glcp-(13)-[b-D-Glcp-(16)-]a-D-Manp-(13)-b-D-Glcp-(13)-[b-D-Glcp-(16)-]D-Glcp (18) and b-D-Glcp-(13)-[b-D-Glcp-(16)-]a-D-Manp-(13)-b-D-Glcp-(13)-[b-D-Glcp-(16)-]b-D-Glcp-D-(13)-Glcp-1OMe (29) were synthesized as the analogues of the immunomodulator b-D-Glcp-(13)-[b-D-Glcp- (16)-]a-D-Glcp-(13)-b-D-Glcp-(13)-[b-D-Glcp-(16)-]D-Glcp through coupling of trisaccharide donors 9 with trisaccharide acceptor 16 and tetrasaccharide acceptor 27 followed by deprotection, respectively.
(13) -bD-Glcp- (13) - [bD-Glcp- (16) -] aD- Manp- (13) -bD-Glcp- (13) - [bD-Glcp- (16) -] bD-Glcp- - (13) -Glcp- 1OMe (29) were synthesized as the analogues of the immunomodulator bD-Glcp- (13) - [bD- Glcp- (16) -] aD- Glcp- (13) -bD- Glcp- 13) - [bD-Glcp- (16) -] D-Glcp through coupling of trisaccharide donors 9 with trisaccharide acceptor 16 and tetrasaccharide acceptor 27 followed by deprotection, respectively.