التفاصيل البيبلوغرافية
| العنوان: |
Thiophane‐Catalyzed Umpolung of N‐Bromoimides for Dibromination of Olefins. |
| المؤلفون: |
Wang, Miao, Niu, Teng, Xu, Changming |
| المصدر: |
European Journal of Organic Chemistry; 4/2/2024, Vol. 27 Issue 13, p1-5, 5p |
| مصطلحات موضوعية: |
UMPOLUNG, BROMINE, ALKENES, BROMIDE ions, BRASSINOSTEROIDS |
| مستخلص: |
A thiophane‐catalyzed dibromination of olefins using NBS as the sole bromine source has been developed, providing a low‐cost and mild methodology for preparing vicinally dibrominated compounds from electron‐neutral or ‐deficient alkenes. The mechanistic investigation showed that 2,3‐dihydrothiophene generated in situ from the reaction of thiophane with NBS was the actual catalyst, which reversed the polarity of NBS to yield bromide ion. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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