**Synthese von neuen terpenoiden Tetrahydrofuran‐ und Tetrahydropyranderivaten** Ausgehend von (+)‐α‐Pinen, (+)‐Limonen und (+)‐Car‐3‐en wurden (3__S__)‐(+)‐2,2‐Dimethyl‐3‐(3‐oxobutyl)tetrahydrofuran (**3a**), (3__R__)‐(–)‐2,2‐Dimethyl‐3‐(3‐oxobutyl)tetrahydrofuran (**3b**) und (3__R__)‐(+)‐2,2‐Dim
Synthesis of new furan-type terpenoids
✍ Scribed by Janusz Nowicki; Józef Kula; Dina Hammad
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 71 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0882-5734
- DOI
- 10.1002/ffj.1090
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## Abstract The preparation of substituted __N__‐arylisoindolines 3 from simple furan derivatives 1 is reported. Oxatricycloadducts 2, readily accessible by intramolecular Diels‐Alder reaction are susceptible to acidic reagents yielding aromatized products 3 by a ring‐opening reaction __via__ inter
Furan is a liver toxicant and carcinogen in laboratory animals. [ 13 C 4 ]Furan was required for in vivo metabolism and mechanistic studies. It was prepared in five steps from commercially available [ 13 C 3 ]propargyl alcohol and [ 13 C]paraformaldehyde.
## Abstract A practical preparation of TM‐α‐terpineol (**4**), __cis__‐TM‐β‐terpineol (**6c**), __trans__‐TM‐β‐terpineol (**6t**), TM‐Δ^1,7^,Δ^8^‐menthadiene (**7**), its spirocyclic epoxide (**5**), and TM‐isocryptone (**8**) is described (TM = tetramethyl). Some of the new tetramethylated monoter