Уважаемые коллеги! Помогите пожалуйста найти еще 3 рекюля:
1. Chemistry of α-diazosulfones†: Part III. A simple preparation of N-(sulfonylmethyl)urethanes by a Mannich condensation. J. B. F. N. Engberts, J. Strating. Recueil des Travaux Chimiques des Pays-Bas, Volume 83, Issue 7, pages 733–736, 1964
- DOI:
http://dx.doi.org/10.1002/recl.19640830714
2. The mannich condensation of sulfinic acids, aldehyde, and ethyl carbamate II.: The use of higher aldehydes. J. B. F. N. Engberts, J. Strating. Recueil des Travaux Chimiques des Pays-Bas, Volume 84, Issue 7, pages 942–950, 1965
- DOI:
http://dx.doi.org/10.1002/recl.19650840714
3. The mannich condensation of sulfinic acids, aldehyde, and ethyl carbamate.: III. The use of ethyl N-monosubstituted carbamates, ethyl monothiocarbamates and ethyl dithiocarbamates. J. B. F. N. Engberts, T. Olijnsma, J. Strating. Recueil des Travaux Chimiques des Pays-Bas, Volume 85, Issue 12, pages 1211–1222, 1966.
- DOI:
http://dx.doi.org/10.1002/recl.19660851207
Заранее спасибо!