STIGMATELLIN synthesis
- Product Name:STIGMATELLIN
- CAS Number:91682-96-1
- Molecular formula:C30H42O7
- Molecular Weight:514.65
![[(2E,4E)-4-Methyl-2,4-hexadienyl]phosphonic Acid Diethyl Ester](http://hg.y866.cn/chemistry/CAS/GIF/104701-95-3.gif)
Yield:91682-96-1 77%
Reaction Conditions:
Stage #1: (2E,4E)-4-Methylhexa-2,4-dienylphosphonic acid diethylesterwith lithium diisopropyl amide in tetrahydrofuran;hexane at -78; for 15 h;Metallation;
Stage #2: (2R,3S,4S,5S)-7-[8-hydroxy-5,7-dimethoxy-3-methyl-4-oxo-4H-2-chromenyl]-2,4-dimethoxy-3,5-dimethylheptanal in tetrahydrofuran;hexane at -78 - 20;Condensation;Horner-Wadsworth-Emmons reaction;
References:
Enders, Dieter;Geibel, Gunter;Osborne, Simon [Chemistry - A European Journal,2000,vol. 6,# 8,p. 1302 - 1309]
94190-89-3
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276690-11-0
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500-99-2
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