Process for preparing aralkyl derivatives of xanthene compounds

Details Process for preparing aralkyl derivatives of xanthene compounds Process for preparing aralkyl derivatives of xanthene compounds

1979-04-24

1981-04-28

Milestone, Norma S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D31182

Patent

active

042645069

ABSTRACT:
There is described a process for preparing aralkyl derivatives of xanthene dyes wherein and now abandoned the xanthene dye is initially reacted with a strong base such as an alkali metal hydroxide to form a salt of the dye which is then reacted with an aralkyl compound to form the aralkylated xanthene dye.

REFERENCES:
patent: 2937186 (1960-05-01), Burckhalter et al.
patent: 3901918 (1975-08-01), Koga et al.
Beilstein, vol. 12, p. 180 (1929). _

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