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期刊论文
A novel rearrangement in the acid-catalyzed O-demethylation of a 6,14-endo-ethenotetrahydrothebaine using hydrobromic acid†
Tetrahedron Letters 43(2002)869-872,-0001,():
A new rearrangement byproduct, 3-methyl-1,2,3,4,4a,4b,9a,15,15a,15b-decahydro-(4,5); (4a,15)-dimethanotricyclo-(4,3,1,02,7) deca [8,9,1,10-a,b,c]pyrido [4,3-a]-acridin-6-en-9-ol-8-one, has been isolated from the acid-catalyzed O-demethylation of 7-o-aminophenyl-6,14-endo-thenotetrahydrothebaine. The mechanism of its formation involving a novel annulation of the 6,14-endo-ethenylene moiety with the A ring aromatic carbons is discussed
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