Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Claude E. Wintner"'
Autor:
Claude E. Wintner
Publikováno v:
CHIMIA, Vol 60, Iss 3 (2006)
The author recalls several visits to the Institute of Organic Chemistry, ETH Zürich. The faculty and staff of the Institute are remembered. Some circumstances surrounding the history of the publication of the total synthesis of vitamin B12 are menti
Externí odkaz:
https://doaj.org/article/2d8ec58d10d24304a76f59006b0f6cc9
Autor:
Claude E. Wintner, Ernst Wagner, Daniel Müller, Stefan Pitsch, Atsushi Kittaka, Albert Eschenmoser, Güntner Ohlofjgewidmet
Publikováno v:
Helvetica Chimica Acta. 73:1410-1468
Glycoaldehyde phosphate aldomerizes in aq. NaOH to a product mixt. contg. the racemates of two diastereomeric tetrose 2,4-diphosphates and 8 hexose 2,4,5-triphosphates. The aldomerization of glycoaldehyde in the presence of formaldehyde is a variant
Publikováno v:
ChemInform. 21
Publikováno v:
Journal of Chemical Education. 68:796
A set of examples that vividly demonstrate the power of 13C NMR spectroscopy to solve stereochemical problems unambiguously and to differentiate pairs of carbon atoms that are homotopic or enantiotopic from pairs which are diastereotopic.
Autor:
Claude E. Wintner
Publikováno v:
Journal of Chemical Education. 67:984
Students are given 50 g of cyclohexanol and asked to convert this to the maximum amount of adipic acid that they can.
Autor:
Christina A. Gray, Claude E. Wintner
Publikováno v:
Journal of Chemical Education. 67:341
The authors have developed a two-step microscale sequence from cyclohexanol through adipic acid to diethyl adipate that has proved to be successful in the first year organic laboratory.
Autor:
Albert Eschenmoser, Claude E. Wintner
Publikováno v:
Science. 196:1410-1420
Autor:
Albert Eschenmoser, Claude E. Wintner
Publikováno v:
Chemischer Informationsdienst. 8
Autor:
Claude E. Wintner
Publikováno v:
Journal of Chemical Education. 64:587
Review of stereoelectronic effects and outline of the suggestion that the "bent bond" (tau bond) be used as a model for the double bond.
Autor:
Claude E. Wintner
Publikováno v:
Journal of Chemical Education. 60:550
The author points out a valuable way to enhance students' understanding of 3-dimensional stereochemistry: through the concept of 2-dimensional chirality.