Synthesis and Valence Isomerization of 2,7-Dihydro-2,2,7,7-tetramethylpyrene
✍ Scribed by Jean Ackermann; Dr. Herbert Angliker; Erich Hasler; Priv.-Doz. Dr. Jakob Wirz
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 115 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
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## Abstract For Abstract see ChemInform Abstract in Full Text.
## Abstract Synthesis of labelled epibrassinolide containing two deuterium atoms in a position which is not subjected to isotopic exchange is reported. Key transformations include preparation of 6,7‐seco steroidal diacid, its cyclization to a cyclic anhydride followed by a regioselective reduction
## Abstract Die Reduktion von 7,7‐Dichloro‐2,5‐diphenylbenzocyclopropen^1^ (**1**) mit Aluminiumhydrid liefert in 50% Ausbeute 2,5‐Diphenylbenzocyclopropen (**2**). Aluminiumdeuterid wandelt 7,7‐Difluorobenzocyclopropen (**3**) in 7,7‐Dideuteriobenzocyclopropen um.