𝔖 Bobbio Scriptorium
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Synthesis of optically active germane carrying γ-butyrolactones

✍ Scribed by Yukio Takahashi; Norihiro Kakimoto


Book ID
103227861
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
313 KB
Volume
399
Category
Article
ISSN
0022-328X

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Carbohydrates as chiral auxiliaries in e
✍ Wei Wang; Yuwu Zhong; Guoqiang Lin 📂 Article 📅 2003 🏛 Elsevier Science 🌐 French ⚖ 526 KB

Using several easily accessed and inexpensive chiral auxiliaries derived from carbohydrates, all four stereoisomers of the optically active a,g-substituted g-butyrolactones were obtained respectively in high enantiomeric purities (up to 96% ee for trans and up to >99% ee for cis) by the SmI 2 -induc