General approach to 6-tosyl-2,3,4,5-tetrahydro-1H-1,3-diazepin-2-ones via nucleophile-mediated ring expansion of tetrahydropyrimidines

A New Convenient Synthesis of 5-Acyl-1,2,3,4-tetrahydropyrimidine-2-thiones/ones

Anatoly D. Shutalev, N. V. Sivova, Aleksei Yu. Kuznetsov · Molecules · 1998 · 100 citations · Full text

1,3-Dicarbonyl Compounds, Acid-catalyzed Dehydration, Organic Chemistry +6

The synthesis of 1,3-diazepine derivatives by the ring expansion of alkyl 4-chloromethyl-1,2,3,4-tetrahydro-6-methyl-2- oxopyrimidine-5-carboxylates

E. Bullock, Roger A. Carter, Regina M. Cochrane et al. · Canadian Journal of Chemistry · 1977 · 23 citations

Engineering, Heterocyclic, Natural Sciences +12

Unprecedented base-promoted cascade transformation of a pyrimidinone derivative into a novel tricyclic bis-diazepinone

Anatoly D. Shutalev, Anastasia A. Fesenko, Dmitry Cheshkov et al. · Tetrahedron Letters · 2008 · 23 citations

Base-promoted Cascade Transformation, Heterocyclic, Pyrimidinone Derivative +6

Some base-catalysed ring expansion and ring expansion–ring contraction reactions of ethyl 4-chloromethyl-1,2,3,4-tetrahydro-6-methyl-2-oxopyrimidine-5-carboxylate

John Ashby, D. Vaughan Griffiths · Journal of the Chemical Society Perkin Transactions 1 · 1975 · 22 citations

Halogenation, Derivatives, Engineering +15

Synthesis of 4,5-dihydroazepine-3,6-dicarboxylate derivatives by stereoselective ring expansion-nucleophilic addition to 4-.alpha.-chloroalkyl-1,4-dihydropyridine-3,5-dicarboxylates

David A. Claremon, D. E. MCCLURE, James P. Springer et al. · The Journal of Organic Chemistry · 1984 · 22 citations

Medicinal Chemistry, Derivative (Chemistry), Derivatives +13