Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Gertrud Dittmann"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 10, Iss 1, Pp 1834-1839 (2014)
Two macrocyclic bis(ureas) 1 and 2, both based on diphenylurea, have been synthesized. Compound 1 represents the smaller ring with two ethynylene groups as linkers and 2 the larger ring with two butadiynylene groups. On thermal treatment to 130 °C m
Externí odkaz:
https://doaj.org/article/3a75a2b4060844c298fe8ee4d5a60d78
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 10, Pp o1090-o1091 (2014)
The reaction of 2-(1,2,3,4-tetrahydronapthalen-1-ylidene)hydrazinecarbothioamide (TTSC) with pyrazine-2,3,5,6-tetracarbonitrile (tetracyanopyrazine, TCNP) yields the title 2:1 charge-transfer adduct, 2C11H12N3S·C6N8. The complete TCNP molecule is ge
Externí odkaz:
https://doaj.org/article/758f7116da284e6dbc3a992a1e9bdf36
Publikováno v:
Beilstein Journal of Organic Chemistry
Beilstein Journal of Organic Chemistry, Vol 10, Iss 1, Pp 1834-1839 (2014)
Beilstein Journal of Organic Chemistry, Vol 10, Iss 1, Pp 1834-1839 (2014)
Two macrocyclic bis(ureas) 1 and 2, both based on diphenylurea, have been synthesized. Compound 1 represents the smaller ring with two ethynylene groups as linkers and 2 the larger ring with two butadiynylene groups. On thermal treatment to 130 °C m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72560117b57892440be8db92dce6b995
https://doi.org/10.3762/bjoc.10.193
https://doi.org/10.3762/bjoc.10.193
Publikováno v:
European Journal of Inorganic Chemistry. 2009:4314-4319
The diazotisation of 2,2′-diaminotolane with one equivalent of HNO2 yields the macrocyclic bis(tolanetriazene) (tolaneN3H)2 in moderate yield. As shown by the crystal structure determination, the molecule is essentially planar. After deprotonation,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4269904b2030d945a833ba9d4b611aa
https://doi.org/10.1002/ejic.200900470
https://doi.org/10.1002/ejic.200900470