Synthesis of Novel Sterically Demanding Carbo- and Heterocyclic β-Ketoesters
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چکیده
منابع مشابه
Synthesis of Novel Sterically Demanding Carbo- and Heterocyclic β-Ketoesters
We present an easy method for the synthesis of β-ketoesters starting from various carbocyclic and heterocyclic carboxylic acids and esters. The β-ketoester side-chain was introduced by a sequence involving α-deprotonation and quenching with CO2, conversion to the corresponding acid chloride and subsequent chain elongation using deprotonated ethyl acetate.
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The N,N'-dimesitylene substituted o-phenylenediamine 1 reacts with Sn[N(SiMe(3))(2)](2) under formation of the monomeric N-heterocyclic stannylene 2, while the chiral N,N'-substituted o-phenylenediamine 3 reacts with E[N(SiMe(3))(2)](2) (E = Ge, Sn) under formation of the chiral germylene 4 and the chiral stannylene 5, respectively. X-Ray diffraction studies with both stannylenes demonstrated t...
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A series of novel 1,4diazepines have been synthesized from β-diketones / β-ketoesters of 4acetylaminobenzene sulphonyl chloride. Desired compounds were prepared by the reaction of novel βdiketone / β-ketoester derivatives of [N4-(4acetylamino) benzene sulphonyl piperazinylN1-1bromopropane] with ethylenediamine to get 1, 4dizapines. All the newly synthesized compounds were characterized with IR ...
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ژورنال
عنوان ژورنال: Molecules
سال: 2006
ISSN: 1420-3049
DOI: 10.3390/11050357