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Testing of a graphitoplastic tube condenser for evaporators used in phosphoric acid manufacture

✍ Scribed by A. I. Ruban; E. M. Kovalev; L. P. Pertsev; N. I. Tsybul'nik

Publisher
Springer
Year
1980
Tongue
English
Weight
322 KB
Volume
16
Category
Article
ISSN
0009-2355

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Towards a rational design for resolving agents. Part V: Substituent effects in the resolution of ephedrine using a series of cyclic phosphoric acids
✍ Albertus D. van der Haest; Hans Wynberg; Frank J. J. Leusen; Alle Bruggink πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 569 KB

## Abstract The effects of various aromatic substituents in both ephedrine and a cyclic phosphoric acid on the quality of resolution via diastereomeric salt formation are investigated. The diastereo‐selective synthesis of a novel series of chloro‐substituted ephedrines is described. These chloroeph