Глубокоуважаемые коллеги!
Еще раз апеллирую к Вашей доброжелательности и отзывчивости и хочу попросить о помощи в поиске следующих статей из журнала гетероциклической химии:
1. Daniel J. McCaustland, William H. Burton, C. C. Cheng,
Structural Modification Studies of 3-Piperonylsydnone. III. Some Analogs of 3-Pipernylsydnone and 2,4-Diamino-5-piperonylpyrimidine, J. Het. Chem., 1971, Volume 8, pp. 89-97;
- DOI:
http://dx.doi.org/10.1002/jhet.5570080117
2. Christos Mitsos, Alexandros Zografos, Olga Igglessi-Markopoulou,
Synthesis of Tetronic Acid Derivatives from Novel Active Esters of a-Hydroxyacids,
J. Het. Chem., 2002, Volume 39, pp. 1201-1205;
- DOI:
http://dx.doi.org/10.1002/jhet.5570390614
3. Yasuo Morita, Masakazu Kaneko, Sumiko Matsuzawa, Yutaka Yamamoto,
Facile and Convenient Synthesis of 2,6-Disubstituted 4H-1,3-Oxazin-4-one Derivatives,
J. Het. Chem., 1997, Volume 34, pp. 515-519;
- DOI:
http://dx.doi.org/10.1002/jhet.1997.5570340227
4. Giovanna Palazzino, Lucia Cecchi, Vittoria Colotta, Fabrizio Melani, Guido Filacchioni,
Tricyclic Heteroaromatic Systems. 1,2,3,4-Tetrahydropyrazolo[4,3-c][benzazepin-1-ones as Potential Antitumor Agents,
J. Het. Chem., 1989, Volume 26, pp. 71-75;
- DOI:
http://dx.doi.org/10.1002/jhet.5570260114
5. Fabrizio Melani, Lucia Cecchi, Giovanna Palazzino, Guido Filacchioni,
Synthesis and 13C-NMR Study of Pyrazolo[4,5-c] and Pyrazolo[4,3-c][1]benzazepines. III.,
J. Het. Chem., 1985, Volume 22, pp. 1109-1112.
- DOI:
http://dx.doi.org/10.1002/jhet.1985.5570220437
Заранее признателен!