@article{ChristlLanzendoerferGroetschetal.1993,
  author    = {Christl, Manfred and Lanzend{\"o}rfer, U. and Gr{\"o}tsch, M. M. and Hegmann, J. and Ditterich, E. and H{\"u}ttner, G. and Peters, K. and Peters, E.-M. and Schnering, H. G. von},
  title     = {Cycloadditionen von 6H-1,3,4-0xadiazin-6-onen (4,5-Diaza-α-pyronen), 12 - Dieckmann-Kondensationen ohne Basen},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-58665},
  year      = {1993},
  abstract  = {No abstract available},
  subject      = {Organische Chemie},
  language  = {de}
}
@article{HegmannDitterichHuettneretal.1992,
  author    = {Hegmann, J. and Ditterich, E. and H{\"u}ttner, G. and Christl, Manfred and Peters, K. and Peters, E.-M. and Schnering, H. G. von},
  title     = {δ-Chlor-δ-lactone aus γ-Oxoketenen},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-58649},
  year      = {1992},
  abstract  = {No abstract available},
  subject      = {Organische Chemie},
  language  = {de}
}