## Abstract Several homochiral oxymethyllithiums, chiral by virtue of the hydrogen isotopes protium and deuterium, were prepared. They were tested for their microscopic configurational stability in intramolecular isomerizations, such as the silyl‐ and germyl‐[1,2]‐__retro__‐Brook and the sigmatropi
Intramolecular rearrangements in phosphoranes via bimolecular intermediates
✍ Scribed by Jeremy I. Musher
- Book ID
- 104246844
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- French
- Weight
- 174 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Treatment of 6-methyl-12-oxo-5H,7H-dibenzo[b,g][l,5]dithiocinium salt (&) with methanolic KOH afforded the ring contracted product (a), i. e., thiepin derivatives, trans-z (44%) and cis-2a (19%). However, the corresponding deoxodithiocinium salt (2) gave an unexpected isomer (3) with the same thiepi
## Abstract Intramolecular H‐atom transfer in model peptide‐type radicals was investigated with high‐level quantum‐chemistry calculations. Examination of 1,2‐, 1,3‐, 1,5‐, and 1,6[C ↔ N]‐H shifts, 1,4‐ and 1,7[C ↔ C]‐H shifts, and 1,4[N ↔ N]‐H shifts (__Scheme 1__), was carried out with a number of