Synthesis of [8,9-3H2]-(7S)-methoprene, a juvenile hormone analog, by selective reduction of a protected trienoate
✍ Scribed by Marcus F. Boehm; Glenn D. Prestwich
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- French
- Weight
- 276 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0022-2135
No coin nor oath required. For personal study only.
✦ Synopsis
High specific activity 3H-(7S)-methoprene is prepared in seven steps from (3S)-citronellol by the use of iron tricarbonyl to protect the dienoate moiety of isopropyl (2E94E)-3,7,1 l-trimethyl-2,4,8-dodecatrienoate during heterogeneous mtiation of remote olefinic bond.
📜 SIMILAR VOLUMES
Two new natural products, N- (2-methyl-3-oxodec-8-enoyl)corresponding acid chloride, in order to acylate Meldrum's acid. Subsequent aminolysis with pyrrolidine, followed by 2-pyrroline (2) and 2-(hept-5-enyl)-3-methyl-4-oxo-6,7,8,8atetrahydro-4H-pyrrolo[2,1-b]-1,3-oxazine (3), have been methylation
## Abstract By heating 2‐chloromethyl‐3,‐5‐dimethyl‐4‐methoxypyridine **(1)** either neat or in solution methoxy group cleavage was achieved, followed by dimerisation to poorly soluble 6,12‐dihydro‐1,3,7,9‐tetramethyl‐5__H__,11__H__‐dipyrido[1,2‐a:1′,2′‐d]pyrazine‐2,8‐dione **(3)** in almost quanti