Method for the preparation of anhydrous tin-(IV)-carboxylates

Details Method for the preparation of anhydrous tin-(IV)-carboxylates Method for the preparation of anhydrous tin-(IV)-carboxylates

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

050683730

ABSTRACT:
A method is disclosed for the preparation of anhydrous tin-(IV)-carboxylate. Metallic tin or Sn-(II)-acetate is reacted with an excess of acetic acid anhydride under agitation and at temperatures of 50.degree. to 150.degree. C. Oxygen is passed through the reaction mixture or an oxygen yielding agent is added thereto. The tin-(IV)-acetate thus formed, which is useful, per se, is separated from the reaction mixture and further reacted with a carboxylic acid with more than four carbon atoms or an acid anhydride corresponding to said carboxylic acid. The reaction is carried out at temperatures of about 80.degree. to 150.degree. C. and the liberated acetic acid anhydride or acetic acid is removed by distillation under vacuum.

REFERENCES:
patent: 3162660 (1964-12-01), Crayton

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