Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Hans-Joachim Niclas"'
Publikováno v:
Zeitschrift für Chemie. 12:321-327
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f1374fb0eefa5be085aa28b3890be90
https://doi.org/10.1002/zfch.19720120902
https://doi.org/10.1002/zfch.19720120902
Publikováno v:
Zeitschrift für Chemie. 12:401-410
Die Gewinnung mathematischer Modelle mit Hilfe elektronischer Rechenanlagen wurde an Hand einiger Beispiele aus dem Bereich der organischen Chemie erlautert. Ausgehend von den beiden grundlegenden mathematischen Modelltypen, den analytischen und den
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81a52d552a0af867a5abb9d0bf12ae34
https://doi.org/10.1002/zfch.19720121102
https://doi.org/10.1002/zfch.19720121102
Autor:
Matthias Bohle, Hans-Joachim Niclas
Publikováno v:
Zeitschrift für Chemie. 19:11-19
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd56381487d60c620c93f4361d4d1571
https://doi.org/10.1002/zfch.19790190103
https://doi.org/10.1002/zfch.19790190103
Publikováno v:
Journal of Colloid and Interface Science. 340:276-284
New 1-acyl-1,2,4-triazoles (ATs) with different n-alkyl chain lengths from C2 to C18 were synthesized. ATs with long n-alkyl chains (C12 and larger) are non-charged amphiphilic molecules with a polar triazole head group. The Langmuir isotherms of ATs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d9ac97826af737f01459e77ad210ee9
https://doi.org/10.1016/j.jcis.2009.08.046
https://doi.org/10.1016/j.jcis.2009.08.046
Autor:
Hans‐Joachim Niclas, Klaus Buttke
Publikováno v:
Journal f�r Praktische Chemie/Chemiker-Zeitung. 340:669-675
Studies on Stereoselective Electrophiic Cyanation The enantioselective, electrophilic cyanation of the enolates of 2-substituted 1-tetralones 3 is described. Enantiomerically pure 2-cyanato-1,1′-binaphthyl derivatives 2, 6a and b are used as cyanat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19db30db0da0e0300752d55ae16d6a5b
https://doi.org/10.1002/prac.19983400712
https://doi.org/10.1002/prac.19983400712
Publikováno v:
Tetrahedron Letters. 38:6651-6654
Substituted norcaradienes, generated by - Rh2(OAc)4 catalyzed - cyclopropanation of toluene and benzene with tert-butyl diazoacetate, reacts with [60]fullerene to form a new type of fullerene cycloadducts. © 1997 Elsevier Science Ltd.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d65fddd311d118bdbc8498d9ac04fd7
https://doi.org/10.1016/s0040-4039(97)01574-8
https://doi.org/10.1016/s0040-4039(97)01574-8
Publikováno v:
Journal für Praktische Chemie/Chemiker-Zeitung. 339:721-728
Synthesis, Structure, and Photophysical Properties of Polyarylated Imidazoles and Oxazoles 23 tetraphenylimidazoles 1,2 and 11 triphenyloxazoles 4,5 with amino, nitro, methoxy, hydroxy, or halogeno substituents chiefly in the para position were prepa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0f7a2925a45b4942f0318ccc2db50b8
https://doi.org/10.1002/prac.199733901131
https://doi.org/10.1002/prac.199733901131
Publikováno v:
Journal für Praktische Chemie/Chemiker-Zeitung. 339:261-265
Tricarbonylchromium complexes 1 react with monosubstituted malonic acid esters 2 in DMSO at room temperature in the presence of KOtBu to give the complexes 3. After oxidative demetalation, the appropriate aryl derivatives 4 are obtained in moderate t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72e41b5685416162a5e7ba5c93a4c693
https://doi.org/10.1002/prac.19973390146
https://doi.org/10.1002/prac.19973390146
Publikováno v:
Tetrahedron. 52:8733-8738
Upon refluxing in toluene, [60]fullerene reacts with 5-imino-1,2,4-thiadiazolidine-3-ones 1 to form the 1,2-(3-aryl-2-arylimino-tetrahydrothiazolo)-[60]fullerenes 3 .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d27fd3a859bb4bac93ec143db8916ecd
https://doi.org/10.1016/0040-4020(96)00429-2
https://doi.org/10.1016/0040-4020(96)00429-2
Autor:
Wolfram Duczek, Hans-Joachim Niclas
Publikováno v:
ChemInform. 26
The 1,3-dipolar cycloaddition of pyrazolidinium ylides 1 to buckminsterfullerene, C60, yielded the new heterocyclic fullerene derivatives 2.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92e3bc48d344741b206ed5d8cdcb5a0b
https://doi.org/10.1002/chin.199531114
https://doi.org/10.1002/chin.199531114