P Isomers as Complex Ligands
✍ Scribed by Prof. Dr. Otto J. Scherer; Magdalena Swarowsky; Dipl.-Chem. Herbert Swarowsky; Dr. Gotthelf Wolmershäuser
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 253 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
To obtain Diels-Alder adducts with even higher rates of cycloreversion, we synthesized the adduct of benzene with the h side of naphthalene in an analogous way; the precursor was the tetracycle 13. By cycloaddition of anhydride 4 to a stereoisomeric mixture of 8,9-dichlorobicyclo[4.2.0]octadiene 10,
Table 1. Molar masses and optical rotation of the newly prepared polymers. Polymer [a] No. M" [bl [@I;% I"] R=trityl R=methyl R=trityl [c] R=methyl [c] R=methyl as PTMA part PMMA part Styrene part stereocomplex [d] (+)2 1 15 000 4700 -+ 422 0.9 f 0.2 -3.0 f 0.1 3 20000 6300 ~ + 429 t0.6 f 0.2 -2.7 2