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Inventor: Ruland; Alfred
Address: Hirschberg, DE
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4754044 |
Preparation of ketene O,N-acetals |
June 28, 1988 |
| Ketene O,N-acetals of the formula I ##STR1## where R.sup.1 is tertiary alkyl of 4 to 6 carbon atoms, R.sup.2 is hydrogen, R.sup.3 is phenyl which is unsubstituted or substituted by halogen, alkoxy, alkyl, phenyl, phenoxy, cyano, nitro or trifluoromethyl and ##STR2## is a |
| 4603224 |
Preparation of ketene O,O-acetals |
July 29, 1986 |
| Ketene O,O-acetals which can be converted in a simple manner to fungicidal ketene O,N-acetals are prepared by an addition reaction of a phenol with a phenoxyalkyne. |
| 4550173 |
Ditriazolylvinyl phenyl ketones |
October 29, 1985 |
| Ditriazolylvinyl phenyl ketones of the formula I ##STR1## where R is halogen, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, trifluoromethyl, cyano, nitro, phenyl or phenoxy, and n is an integer from 0 to 5, and the two triazole rings can, as desired, be bonded in t |
| 4539160 |
Ketene O,O-acetals and their preparation |
September 3, 1985 |
| 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 unsubstitut |
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