Ketene O,O-acetals and their preparation

Details Ketene O,O-acetals and their preparation Ketene O,O-acetals and their preparation

1983-10-27

1985-09-03

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260456P, 548255, 548262, 548333, 548341, 548378, 568586, 568592, C07C 43313, C07D23112, C07D23504, C07D24908

Patent

active

045391602

ABSTRACT:
Useful novel ketene O,O-acetals of the formula I ##STR1## where R.sup.1 is a tertiary alkyl radical of 4 to 6 carbon atoms or unsubstituted or halogen-substituted phenyl, R.sup.2 is hydrogen and R.sup.3 and R.sup.4 independently of one another are each phenyl which is unsubstituted or substituted by halogen, alkoxy, alkyl, phenyl, phenoxy, cyano, nitro or trifluoromethyl, their preparation and their use for the preparation of ketene O,N-acetals.

REFERENCES:
patent: 4060623 (1977-11-01), Meiser et al.
Borrmann, Houben-Weyls Methoden der Organischen Chemie (Muller, Vierte Anflage, Stuttgart, 1968), pp. 362-364.
Stachel, Ber. Deut. Chem., vol. 93, pp. 1059-1063 (1960).

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