Process for the preparation of N-acyl-N-alkyl-2,6-dialkyl-3-chlo

Details Process for the preparation of N-acyl-N-alkyl-2,6-dialkyl-3-chlo Process for the preparation of N-acyl-N-alkyl-2,6-dialkyl-3-chlo

1986-09-02

1988-01-26

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549321, 560 43, 562433, 562455, 562456, 564135, 564143, 564207, 564214, C07C10200, C07D30716

Patent

active

047217979

ABSTRACT:
N-acyl-N-alkyl-2,6-dialkyl-3-chloroanilines of the formula ##STR1## wherein R.sub.1 is methyl or ethyl, R.sub.2 is alkoxymethyl, chloromethyl or 2-tetrahydrofuryl, R.sub.3 is alkoxymethyl, carboxy or alkoxycarbonyl and R.sub.4 is hydrogen or methyl and, if R.sub.3 is carboxy or alkoxycarbonyl, R.sub.4 is also 2-alkoxyethyl and 2-alkoxypropyl, and R.sub.3 and R.sub.4, together with the carbon atom to which both radicals are attached, may also form a 2-oxotetrahydro-3-furyl radical or a 2-oxo-5-methyltetrahydro-3-furyl radical, are prepared by reacting a 2,6-dialkylaniline of the formula ##STR2## with a halide of the formula ##STR3## wherein X is chlorine or bromine, to give an N-alkyl-2,6-dialkylaniline of the formula ##STR4## then converting said compound by further reaction with an acylating agent of the formula

REFERENCES:
patent: 3933860 (1976-01-01), Chan
patent: 4564629 (1986-01-01), Kunz et al.
Synthesis, 1971, p. 467.

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