Monatshefte fur Chemie p. 891 - 898 (1989)
Update date:2022-08-02
Topics:
Schmidt, Hans-Werner
Base-catalyzed cyclization of ethoxymethylenemalononitrile 2 with substituted acetoacetates 1 a-c leads to the ethyl benzoates 3 a-c.Depending on the reaction conditions either ethyl 4-aminobenzoates 3 d-i or ethyl 4-(2,2-dicyanethylene)aminobenzoates 4 d-h are available from 2 and the 4-oxyacetoacetates 1 d-i.The preparation of the acetoacetates 1 a-c and 1 g-i is also described. - Keywords: Ethoxymethylenemalononitrile; Cyclization; Ethyl benzoates
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(1989)Doi:10.1021/np100646n
(2011)Doi:10.1021/jo00301a044
(1990)Doi:10.1016/S0040-4039(01)93888-2
(1989)Doi:10.1007/BF00957780
(1989)Doi:10.1002/cjoc.202100354
(2021)
