Method for the preparation of anhydrous tin-dicarboxylate-dihali

Details Method for the preparation of anhydrous tin-dicarboxylate-dihali Method for the preparation of anhydrous tin-dicarboxylate-dihali

1991-01-29

1991-11-26

Dees, Jose G.

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

Organic compounds

Heavy metal containing

C07F 722

Patent

active

050683748

ABSTRACT:
A method is disclosed for the preparation of anhydrous tin-dicarboxylate-dihalide. Anydrous tin-(II)-halide is reacted with an excess amount of acetic acid anhydride at temperatures of about between 20.degree. to 100.degree. C. while passing oxygen through the reaction mixture or adding an oxygen yielding agent such as hydrogen peroxide. The tin-diacetate-dihalide thus formed is separated and is further reacted with aliphatic carboxylic acid having more than 4 carbon atoms or the corresponding acid anhydrides at the temperatures of 80.degree. to 150.degree. C. while the liberated acetic acid anhydride or acetic acid is removed by distillation.

REFERENCES:
patent: 4495105 (1985-01-01), Miller
patent: 4795820 (1989-01-01), Synoradzki et al.

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