Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Uwe Budde"'
Autor:
Kai Lovis, Ursula Bentrup, Sandra Hübner, Thomas Dietrich, Uwe Budde, Klaus Jähnisch, Lukas Küpper, Andreas Freitag
Publikováno v:
Organic Process Research & Development. 13:952-960
The advantages of microstructured reactors were utilized in a two-step process for the preparation of intermediates of vitamin D analogues, which are known to be important compounds in bone and min...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::792d04142fe55af5d19c1afe50d3d2e7
https://doi.org/10.1021/op9000669
https://doi.org/10.1021/op9000669
Publikováno v:
Organic Process Research & Development. 12:345-348
In this paper investigations for developing a continuous process for the fluorination of a steroid derivative with bis(methoxyethyl)-aminosulfurtrifluoride are presented. A kinetic model is suggested for this reaction. A simulation-based experimental
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59d7b0c04d550eebe850fb623b7706a4
https://doi.org/10.1021/op7001485
https://doi.org/10.1021/op7001485
Autor:
Wolfgang Beckmann, Malte Kaspereit, K. Gedicke, Uwe Budde, Andreas Seidel-Morgenstern, Heike Lorenz
Publikováno v:
Chemical Engineering Research and Design. 85:928-936
The separation of stereoisomers—diastereoisomers and enantiomers—constitutes an important class of problems in life science applications, namely in drug manufacture. Chromatography is often the method of choice to perform this task. To decrease t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5647a4eaa6805e7bcb715e307bb2f318
https://doi.org/10.1205/cherd06224
https://doi.org/10.1205/cherd06224
Publikováno v:
Chemical Engineering & Technology. 29:1216-1220
A novel mid-infrared optical sensor enabling in situ ATR measurements was applied to investigate several steps of a vitamin D analogue synthesis. The probe based on silver halide fibers coupled to a diamond prism was connected to a conventional FTIR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1bf62dd3ad74c9d5dc52022dfc07791b
https://doi.org/10.1002/ceat.200600110
https://doi.org/10.1002/ceat.200600110
Autor:
Wolfgang Beckmann, Andreas Seidel-Morgenstern, Heike Lorenz, D. Sapoundjiev, Andreas Brandt, K. Gedicke, Uwe Budde
Publikováno v:
Adsorption. 11:591-596
Within the pharmaceutical industry and in biotechnology there is an increasing need for selective and efficient separation technologies to isolate and purify value-added products. A hybrid process approach combining chromatography and fractional crys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8892d6972664c538dfe87a1a2ed551b9
https://doi.org/10.1007/s10450-005-5990-8
https://doi.org/10.1007/s10450-005-5990-8
Publikováno v:
Organic Process Research & Development. 5:387-392
The drug substance hydroxytriendione has been found to exist in three modifications, which are equal in their pharmaceutical profile and are equally stable. Thus, Form II, the polymorph thermodynamically stable at room temperature, was chosen as the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63b3f3a6f289f9c9dc5a88305e29d43e
https://doi.org/10.1021/op010013c
https://doi.org/10.1021/op010013c
Publikováno v:
Organic Process Research & Development. 2:298-304
Abecarnil, a partial agonist of the benzodiazepine receptor, crystallizes in three modifications, A, B, and C. Depending on the solvent, the form crystallized in an unseeded process is one of the two metastable forms A or B. Isopropyl acetate was cho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ecd0a6f80215e5881d5577a0aef2c77
https://doi.org/10.1021/op980029b
https://doi.org/10.1021/op980029b
Publikováno v:
Zeitschrift für Naturforschung B. 48:243-246
H2N3 +SbCl6 - reacts in SO2 as a solvent with SCl2 to give N(SCl)2 +SbCl6 -. The yellow salt crystallizes in the monoclinic space group P21/c with a = 729.7(7), b = 1122.1(8), c = 1575.6(11) pm, and β = 99.43(6)° at 169 K with 4 formula units per
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91053ae4975df58c89c7acbd4015f278
https://doi.org/10.1515/znb-1993-0222
https://doi.org/10.1515/znb-1993-0222
Autor:
Karl-Heinz Reichert, Uwe Budde
Publikováno v:
Chemical Engineering & Technology. 14:134-140
An automatic stirred tank reactor of laboratory scale has been developed for on-line measurement of conversion, viscosity, and molar mass distribution of homogeneous polymerization. For these on-line measurements, a fraction of the reaction mixture i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bcda7686e0e53dd9379c35b12602863
https://doi.org/10.1002/ceat.270140212
https://doi.org/10.1002/ceat.270140212
Autor:
Michael Wulkow, Uwe Budde
Publikováno v:
Chemical Engineering Science. 46:497-508
Modeling of free radical polymerization leads to very large and usually stiff systems of ordinary differential equations which cannot be solved directly in an efficient way. This paper presents the application of a new approach called the discrete Ga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d87d714d22348274429a0d8adbe532c4
https://doi.org/10.1016/0009-2509(91)80010-v
https://doi.org/10.1016/0009-2509(91)80010-v