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Herstellung von Anthrachinonderivaten aus dem D IELS ‐A LDER ‐Addukt von 1,4‐Naphtochinon und 5,5‐Dimethoxy‐1,2,3,4‐tetrachlorcyclopentadien
Author(s) -
Kniel P.
Publication year - 1963
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19630460210
Subject(s) - chemistry , adduct , anthrone , medicinal chemistry , organic chemistry
The preparation of the D IELS ‐A LDER adduct of 1,4‐naphthoquinone and 5,5‐dimethoxy‐l,2,3,4‐tetrachlorocyclopentadiene is described and it is further shown how this adduct may be transformed into 1,2,3,4‐tetrachloroanthraquinone (30%), 1,2,3,4‐tetrachloro‐9‐anthrone (75%) and 2,3,4‐trichloroanthraquinone‐l ‐carboxylic acid methylester (84%).