The Reaction of Diethyl Malonate Derivatives with Isocyanate
نویسندگان
چکیده
منابع مشابه
Diethyl 2-(triphenylmethyl)malonate
In the title compound, C(26)H(26)O(4), steric crowding of the Ph(3)C- group with the -CH(CO(2)Et)(2) unit leads to a long C-C bond [1.585 (2) Å]. One of the two ethyl groups is disordered over two sites in a 60:40 ratio.
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In the title compound, C(14)H(16)BrNO(4), inter-molecular C-H⋯O hydrogen bonds link the mol-ecules, forming a stable structure. An intra-molecular N-H⋯O hydrogen bond results in the formation of a six-membered ring and helps to establish the mol-ecular conformation which is almost planar, with an r.m.s deviation of 0.0842 Å.
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Alkylmalonic esters, which have been recognized as important intermediates in the syntheses of various carboxylic acids, amino acids, etc., can be obtained by a variety of methods.1) Excepting the introduction of tertiary alkyl groups, the alkylation of malonic esters with alkyl halides in basic conditions, for example, in ethanol in the presence of sodium ethoxide, is one of the most important...
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ژورنال
عنوان ژورنال: The Journal of the Society of Chemical Industry, Japan
سال: 1966
ISSN: 0023-2734,2185-0860
DOI: 10.1246/nikkashi1898.69.11_2153