Art

J-GLOBAL ID：201102267008945574   Reference number：11A0289705

Knoevenagel condensation of cyclic ketones with benzoylacetonitrile and N,N′-dimethylbarbituric acid. Application of sterically hindered condensation products in the synthesis of spiro and dispiropyrans by hetero-Diels-Alder reactions

環状ケトンのベンゾイルアセトニトリルおよびN,N′-ジメチルバルビツル酸とのKnoevenagel縮合 ヘテロ-Diels-Alder反応によるスピロおよびジスピロピランの合成における立体障害のある縮合生成物への利用

Author (2)： PALASZ Aleksandra (Dep. of Organic Chemistry, Jagiellonian Univ., Ingardena 3 St, 30-060 Krakow, POL) ,  PALASZ Tadeusz (Marian Smoluchowski Inst. of Physics, Jagiellonian Univ., Reymonta 4 St, 30-059 Krakow, POL)
Material： Tetrahedron  (Tetrahedron Symposia-in-Print)
Volume： 67  Issue： 7  Page： 1422-1431  Publication year： Feb. 18, 2011 
JST Material Number： E0234A  ISSN： 0040-4020  Document type： Article
Article type： 原著論文  Country of issue： United Kingdom (GBR)  Language： ENGLISH (EN)

Thesaurus term： asymmetric synthesis ,  Diels-Alder reaction ,  *spiro-compound ,  alicyclic ketone ,  aliphatic nitrile ,  urea compound ,  nitrogen heterocyclic compound ,  *Knoevenagel condensation ,  steric hindrance ,  enol ether ,  AM1 method ,  PM3 method ,  Hartree-Fock method ,  HOMO ,  LUMO ,  *hetero Diels-Alder reaction ,  Pyrimidines
Semi thesaurus term： Pyrimidines

JST classification (1)： Pyranes  (CF07092R)

Substance index (17)： 1,3-Dimethyl-7-ethoxy-6,7-dihydrospiro[5H-pyrano[2,3-d]pyrimidine-5,1′-cyclooctane]-2,4(1H,3H)-dione ,  1,3-Dimethyl-7-ethoxy-6,7-dihydrospiro[5H-pyrano[2,3-d]pyrimidine-5,1′-cyclohexane]-2,4(1H,3H)-dione ,  1,3-Dimethyl-7-ethoxy-6,7-dihydrospiro[5H-pyrano[2,3-d]pyrimidine-5,1′-cycloheptane]-2,4(1H,3H)-dione ,  1,3-Dimethyl-7-ethoxy-6,7-dihydrospiro[5H-pyrano[2,3-d]pyrimidine-5,1′-cyclopentane]-2,4(1H,3H)-dione ,  1′,3′,3′′β-Trimethyl-3,4,5,6-tetrahydrodispiro[2H-pyran-2,7′-[7H]pyrano[2,3-d]pyrimidine-5′(6′H),1′′-cyclohexane]-2′,4′(1′H,3′H)-dione ,  1′,3′-Dimethyl-3,4,5,6-tetrahydrodispiro[2H-pyran-2,7′-[7H]pyrano[2,3-d]pyrimidine-5′(6′H),1′′-cyclohexane]-2′,4′(1′H,3′H)-dione ,  2-Cyclohexylidene-3-oxo-3-phenylpropanenitrile ,  2-Phenyl-4-isobutyloxy-3-oxaspiro[5.5]undeca-1-ene-1-carbonitrile ,  2-Phenyl-4-ethoxy-3-oxaspiro[5.5]undeca-1-ene-1-carbonitrile ,  2-Phenyl-4-ethoxy-3-oxaspiro[5.6]dodeca-1-ene-1-carbonitrile ,  2-Phenyl-4-methyl-4-methoxy-3-oxaspiro[5.5]undeca-1-ene-1-carbonitrile ,  2-Methylenetetrahydro-2H-pyran ,  3′′β-Methyl-6′-phenyl-3,4,5,6-tetrahydrodispiro[2H-pyran-2,2′-[2H]pyran-4′(3′H),1′′-cyclohexane]-5′-carbonitrile ,  5-Cyclohexylidene-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione ,  6′-Phenyl-3,4,5,6-tetrahydrodispiro[2H-pyran-2,2′-[2H]pyran-4′(3′H),1′′-cyclohexane]-5′-carbonitrile ,  7-Phenyl-9-ethoxy-8-oxaspiro[4.5]deca-6-ene-6-carbonitrile ,  Ethyl vinyl ether

Terms in the title (9)： 環状ケトン ,  ベンゾイルアセトニトリル ,  ジメチル ,  バルビツル酸 ,  Knoevenagel縮合 ,  ヘテロ-Diels-Alder反応 ,  立体障害 ,  縮合 ,  生成物