Metallo-substituted naphthalene

Details Metallo-substituted naphthalene Metallo-substituted naphthalene

1979-03-08

1980-11-18

Helfin, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 43192

Patent

active

042347467

ABSTRACT:
3-Prenyl-substituted menaquinones are made by reacting a 3-metallo-2-alkyl-1,4-di(alkoxy or aralkoxy) naphthalene with a prenyl halide, and then oxidizing the resulting 3-prenyl-2-alkyl-1,4-di(alkoxy or aralkoxy) naphthalene to prepare the corresponding 3-prenyl-substituted menaquinone. The metallo substituent at the 3-position may be Li, Li/Cu, Cu or MgBr. The oxidation is advantageously conducted by the use of argentic oxide.

REFERENCES:
patent: 3948958 (1976-04-01), Rapoport et al.
patent: 4060558 (1977-11-01), Rapoport et al.
Morrison et al., Organic Chemistry, 3rd Ed. (1973).

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