@article{UBHD-69095026,
  author={Neidlein, Richard and Wang, Zhijun},
  title={Pyrimidine derivatives starting from dicyanoketene ethylene acetal},
  year={1998},
  pages={1923-1930},
  language={eng},
  issn={1881-0942},
  volume={48},
  number={9},
  note={Gesehen am 10.07.2023},
  journal={Heterocycles},
  doi={10.3987/COM-98-8236},
}
@article{UBHD-68115426,
  author={Wang, Zhijun and Neidlein, Richard},
  title={Heterocyclic compounds from 3,4-diaminodimethylamino-1-methylpyrazolo[3,4-d]pyrimidine},
  subtitle={approach to novel ortho- and peri-fused heterocyclic ring system},
  year={1999},
  pages={255-264},
  language={eng},
  issn={1881-0942},
  volume={51},
  number={2},
  note={Gesehen am 03.05.2017},
  journal={Heterocycles},
  doi={10.3987/COM-98-8367},
}
@article{UBHD-68114453,
  author={Wang, Zhijun and Neidlein, Richard and Krieger, Claus},
  title={A new approach to the synthesis of heteroannulated 3,1-oxazin-4-ones from β-enamino esters and phosgeneiminium salts},
  year={2000},
  pages={255-258},
  language={eng},
  issn={1437-210X},
  number={2},
  note={Gesehen am 28.04.2017},
  journal={Synthesis},
  doi={10.1055/s-2000-6249},
}
@article{UBHD-68115427,
  author={Wang, Zhijun and Neidlein, Richard and Krieger, Claus},
  title={Reactions of 3,3-diamino-2-cyanoacrylates with substituted ureas and dichloromethylenedialkyliminium chlorides},
  year={1999},
  pages={203-212},
  language={eng},
  issn={2191-0197},
  volume={5},
  number={3},
  note={Gesehen am 03.05.2017},
  journal={Heterocyclic communications},
  doi={10.1515/HC.1999.5.3.203},
}
@book{UBHD-9909975,
  author={Wang, Zhijun},
  title={Synthesen neuer f{\"u}nf-, sechs- und siebengliedriger stickstoffhaltiger Heterocyclen},
  subtitle={Analytik und chemisches Reaktionsverhalten},
  year={1998},
  pages={234 S.},
  language={ger},
  school={Heidelberg, Univ., Diss., 1999},
  library={UB [Signatur: 99 U 315]},
}
@article{UBHD-68115430,
  author={Wang, Zhijun and Kramer, Walter and Neidlein, Richard},
  title={Syntheses and structure elucidation of dimethylaminovinyl substituted 1,3-oxazines and pyrazolo[3,4-d][3,1]oxazine derivatives},
  year={1999},
  pages={2893-2905},
  language={eng},
  issn={1881-0942},
  volume={51},
  number={12},
  note={Gesehen am 03.05.2017},
  journal={Heterocycles},
  doi={10.3987/COM-99-8696},
}