Synthesis of Optically Pure Clausenamine-A and its Demethoxylated Analogs
β Scribed by Guoqiang Lin; Aimin Zhang
- Book ID
- 108370933
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- French
- Weight
- 218 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0040-4020
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π SIMILAR VOLUMES
The absolute stereochemistry of (+)-ab6CiSiC acid 1) has been deduced as the (S)-configuration (Ia) by applying nills'empirical rule by Cornforth et a12) in 1967. But, Burden et a13) reported that violaxanthin could be converted to (+)-
## Abstract ( Β± )β5,5β³βDihydroxyβ7,7β³βdimethoxyβ8,8β³βbiflavone (( Β± )βl) was resolved into its optically pare forms __via__ the formation and recrystallization of its (2__R__)β and (2__S__)β1β(4βtoluenesulfonyl)prolylate, and the methylated derivatives of (+)β and (β)β1 were also prepared. The abso