A process for the preparation of 4-chloro-pyridine-N-oxides.
- R. D. BodeStan LiebregtsW. Zwaan
- 15 June 2001
Chemistry
Mössbauer and EPR studies of chromatium vinosum hydrogenase
- K. K. SurerusM. Chen E. Münck
- 1 July 1993
Chemistry, Biology
Methode de preparation de 4-chloropyridine-n-oxydes
- R. B. DeC. S. M. LiebregtsW. Zwaan
- 11 June 2002
Chemistry
L'invention concerne une methode de preparation de 4-chloropyridine-N-oxyde de la formule (I) dans laquelle R?1, R2 et R3? sont chacun, independamment, H, un groupe alkyle ou un groupe alcoxy; et R4…
Optimisation of the preparation and isolation of 5-amino-2,4,6-triiodoisophthalic acid dichloride
- H. GijsenH. C. BakelW. ZwaanL. Hulshof
- 1999
Chemistry, Medicine
A scaleable process for the chlorination of 5-amino-2,4,6-triiodoisophthalic acid to the corresponding acid chloride, a building block for the synthesis of iodinated X-ray contrast agents, has been…
Process for the preparation of n-carboxy anhydride-t-lencina.
A process for the preparation of an anhydride of N- carboxy-t-leucine, wherein the N-carboxy-t-leucine is subjected to cyclization with the aid of an acyl halide.