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of 134
pro vyhledávání: '"Wöhler synthesis"'
Akademický článek
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Publikováno v:
Journal of the American Chemical Society. 125(8)
The detailed reaction pathways for the ammonium cyanate transformation into urea (Wöhler's reaction) in the gas phase, in solution, and in the solid state have exhaustively been explored by means of first-principles quantum chemical calculations at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f248872e1519b4490bf8d2d8510cec9
https://pubmed.ncbi.nlm.nih.gov/12590561
https://pubmed.ncbi.nlm.nih.gov/12590561
Publikováno v:
Fedoseev, G, Lamberts, T, Linnartz, H, Ioppolo, S & Zhao, D 2014, ' On the Surface Formation of NH3 and HNCO in Dark Molecular Clouds-Searching for Wöhler Synthesis in the Interstellar Medium ' . < http://adsabs.harvard.edu/abs/2014cosp...40E.844F >
Aarhus University
Aarhus University
Despite its potential to reveal the link between the formation of simple species and more complex molecules (e.g., amino acids), the nitrogen chemistry of the interstellar medium (ISM) is still poorly understood. Ammonia (NH _{3}) is one of the few n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::ccc8cdb2271c4bb0af099bf24a414f2c
https://pure.au.dk/portal/da/publications/on-the-surface-formation-of-nh3-and-hnco-in-dark-molecular-clouds--searching-for-woehler-synthesis-in-the-interstellar-medium(6878874d-b305-44c2-957c-484e8596daa6).html
https://pure.au.dk/portal/da/publications/on-the-surface-formation-of-nh3-and-hnco-in-dark-molecular-clouds--searching-for-woehler-synthesis-in-the-interstellar-medium(6878874d-b305-44c2-957c-484e8596daa6).html
Publikováno v:
Synthesis. 50:341-348
A novel, simple, and highly efficient method has been designed for the synthesis of ω-substituted arylbiurets in a one-pot reaction. The primary features of this protocol include readily available starting materials, an easy work-up procedure, and y
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8770888bd232aa7637f9179dc2f9e456
https://doi.org/10.1055/s-0036-1590934
https://doi.org/10.1055/s-0036-1590934
Publikováno v:
Synlett. 2010:2439-2442
An easy and rapid procedure for the preparation of N-monosubstituted ureas via reaction between potassium cyanate and a wide range of amines is described. The procedure was performed under microwave irradiation using water as solvent. This methodolog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18dbaf6efa41dcac8b0adf1fc7b813b9
https://doi.org/10.1055/s-0030-1258553
https://doi.org/10.1055/s-0030-1258553
Publikováno v:
Polymer Engineering & Science. 49:889-895
A series of new bisphenols containing sulfoxide has been prepared from various substituted phenols and thionyl chloride using AlCl 3 as catalyst. These bisphenols were converted to their respective cyanate esters by reacting with cyanogen bromide. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::187f79a2eab2ac4caf9f05d28bfe4069
https://doi.org/10.1002/pen.21365
https://doi.org/10.1002/pen.21365
Publikováno v:
Polymer International. 53:869-876
The mechanism and kinetics of the thermal cure reaction of two cyanate esters (CEs), 1,1′bis(4-cyanatophenyl)ethane (AroCy L-10) and bisphenol A dicyanate ester (BADCy), in the presence of dibutyl tin dilaurate (DBTDL) has been investigated using F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0447f9dd8df93bd80b271bef1e8924ed
https://doi.org/10.1002/pi.1446
https://doi.org/10.1002/pi.1446
Autor:
Spyros G. Pavlostathis, C.-H. Hung
Publikováno v:
Applied Microbiology and Biotechnology. 49:112-116
The fate of thiocyanate (SCN−) and cyanate (OCN−) under methanogenic conditions was investigated at 35 °C. Thiocyanate and cyanate were added to mixed methanogenic cultures along with an organic mixture. Thiocyanate was stable under these condit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c1a896837c5b7dea5d1fd6c672cbde8
https://doi.org/10.1007/s002530051146
https://doi.org/10.1007/s002530051146
Autor:
Murray H. Brooker, Nanping Wen
Publikováno v:
Canadian Journal of Chemistry. 72:1099-1106
Raman spectra of aqueous solutions of potassium cyanate have been obtained at suitable time intervals. It was found that the peaks attributed to cyanate became less intense, while the peaks attributed to urea, carbamate and carbonate, centred at 1003
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22fc5061f1571fb42905925bb04966cc
https://doi.org/10.1139/v94-139
https://doi.org/10.1139/v94-139
Autor:
Murray H. Brooker, Nanping Wen
Publikováno v:
Canadian Journal of Chemistry. 71:1764-1773
Raman spectra were measured for potassium cyanate in the solid phase and as aqueous solutions in H2O and D2O for freshly prepared and for aged solutions. The results indicated that the assignment of the Fermi doublet, ν1 and 2ν2, for solid potassiu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81a610d29533d5dba6b72ed45e6954c3
https://doi.org/10.1139/v93-219
https://doi.org/10.1139/v93-219