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Synthesis of 4-aryl-6-methyl-7a-(trifluoromethyl)-2,4a,5,6,7,7a-hexahydropyrano[2,3- c]pyrrol-2-ones from 4-aryl-6-(trifluoromethyl)-2-pyrones, sarcosine, and formaldehyde.

• Authors : Usachev, Sergey¹; Popova, Natal'ya¹; Moshkin, Vladimir¹

• Source: Chemistry of Heterocyclic Compounds. Oct2015, Vol. 51 Issue 10, p913-917. 5p. 5 Diagrams, 2 Charts.

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Mannich reaction in the synthesis of N,S-containing heterocycles. 13*. One-pot method for preparing pyrimido[4,3- b]-[1,3,5]thiadiazines by reaction of aldehydes, cyanothioacetamide, formaldehyde, and primary amines.

• Authors : Dotsenko, V.¹ ; Frolov, K.¹; Krivokolysko, S.¹

• Source: Chemistry of Heterocyclic Compounds. Jul2012, Vol. 48 Issue 4, p642-649. 8p. 1 Chart.

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Cyclothiomethylation of primary amines with formaldehyde and hydrogen sulfide to nitrogen- and sulfur-containing heterocycles (review).

• Authors : Akhmetova, V. R.¹ ; Nadyrgulova, G. R.¹; Niatshina, Z. T.¹

• Source: Chemistry of Heterocyclic Compounds. Oct2009, Vol. 45 Issue 10, p1155-1176. 22p. 1 Black and White Photograph, 34 Diagrams.

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Heterophase N-aminomethylation of 5-arylidenepseudothiohydantoins by arylamines and aqueous formaldehyde in aromatic solvents: Effect of substituents in the heterocyclic substrate and the aryl amine on the efficiency of the process.

• Authors : Ramsh, S. M.¹ ; Medvedskiy, N. L.¹; Uryupov, S. O.¹

• Source: Chemistry of Heterocyclic Compounds. Jul2006, Vol. 42 Issue 7, p948-954. 7p.

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(3+2) Cycloaddition of N-methylazomethine ylide obtained from sarcosine and formaldehyde to CH- and NH-acidic enones and enamides.

• Authors : Buev, Evgeny¹; Moshkin, Vladimir¹ ; Sosnovskikh, Vyacheslav¹

• Source: Chemistry of Heterocyclic Compounds. Feb2017, Vol. 53 Issue 2, p167-172. 6p. 2 Diagrams, 1 Chart.

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Cyclothiomethylation of primary amines with formaldehyde and aromatic dithiols - an effective method for the synthesis of cyclophanes.

• Authors : Khabibullina, Guzel R.¹ ; Fedotova, Ekaterina S.¹; Tyumkina, Tatyana V.¹

• Source: Chemistry of Heterocyclic Compounds. Jul2018, Vol. 54 Issue 7, p744-750. 7p. 2 Diagrams, 2 Charts, 1 Graph.

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Three-component hetero-domino cyclization and copper-catalyzed double A3-coupling reaction of ethane-1,2-diamines, formaldehyde, and alkynes to afford 1,3-dipropargylimidazolidines.

• Authors : Sun, Lu¹; Wu, Mengying¹; Huang, Xi¹

• Source: Chemistry of Heterocyclic Compounds. Mar2018, Vol. 54 Issue 3, p355-361. 7p. 4 Diagrams, 4 Charts.

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On the Prins reaction of terminal olefins and formaldehyde in trifluoroacetic acid

• Authors : Almohseni, H; Stent, M; Hodgson, D

Subjects: 01 natural sciences; 0104 chemical sciences

• Source: Chemistry of Heterocyclic Compounds. 54:474-477

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Oxidative Reactions of Azines. 11. The Influence of Manganese Dioxide on the Reaction of Tetrahydropyridines with Formaldehyde: Synthesis and Molecular Structures of 3-Oxa-7-azabicyclo[3.3.1]- and 6-Oxa-2-azabicyclo[3.2.1]octanes

• Authors : Soldatenkov A.T.; Polyanskii K.B.; Temesgen A.V.

Subjects: tetrahydropyridines; manganese dioxide; Prins reaction

• Source: Chemistry of Heterocyclic Compounds

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Oxidative reactions of azines. 11. The influence of manganese dioxide on the reaction of tetrahydropyridines with formaldehyde: Synthesis and molecular structures of 3-oxa-7-azabicyclo[3.3.1]- and 6-oxa-2-azabicyclo[3.2.1]octanes

• Authors : Soldatenkov A.T.; Polyanskii K.B.; Temesgen A.V.

Subjects: formaldehyde; manganese dioxide; oxabicycloalkanes

• Source: Chemistry of Heterocyclic Compounds

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