2,3,4,6-Tetrakis-O-(phenylmethyl)-D-glucopyranose → (3-((3S,4R,5R,6R)-3,4,5-Tris(benzyloxy)-6-(benzyloxymethyl)-tetrahydro-2H-pyran-2-yl)naphthalen-1-yl)methanol
Reaktionsgleichung
Br[C:2]1[CH:3]=[C:4]([CH2:12][O:13][Si](C(C)C)(C(C)C)C(C)C)[C:5]2[C:10]([CH:11]=1)=[CH:9][CH:8]=[CH:7][CH:6]=2.[CH2:24]([O:31][C@@H:32]1[C@@H:38]([O:39][CH2:40][C:41]2[CH:46]=[CH:45][CH:44]=[CH:43][CH:42]=2)[C@H:37]([O:47][CH2:48][C:49]2[CH:54]=[CH:53][CH:52]=[CH:51][CH:50]=2)[C@@H:36]([CH2:55][O:56][CH2:57][C:58]2[CH:63]=[CH:62][CH:61]=[CH:60][CH:59]=2)[O:35][CH:33]1O)[C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1>>[CH2:24]([O:31][C@@H:32]1[C@@H:38]([O:39][CH2:40][C:41]2[CH:46]=[CH:45][CH:44]=[CH:43][CH:42]=2)[C@H:37]([O:47][CH2:48][C:49]2[CH:50]=[CH:51][CH:52]=[CH:53][CH:54]=2)[C@@H:36]([CH2:55][O:56][CH2:57][C:58]2[CH:59]=[CH:60][CH:61]=[CH:62][CH:63]=2)[O:35][CH:33]1[C:2]1[CH:3]=[C:4]([CH2:12][OH:13])[C:5]2[C:10]([CH:11]=1)=[CH:9][CH:8]=[CH:7][CH:6]=2)[C:25]1[CH:26]=[CH:27][CH:28]=[CH:29][CH:30]=1Komponenten
3
Versuchsvorschrift
With similar method described in Step 3 of Example 92, ((3-bromonaphthalen-1-yl)methoxy)triisopropylsilane (compound 76, 18.0 g, 45.6 mmol) and 2,3,4,6-tetra-O-benzyl-D-glucopyranose (2, 20.5 g, 38.0 mmol) were converted to title compound (23.3 g, 90%, ca. 2:1 mixture of anomers (13:0) as a white solid.