Addition of organic halides to alkenes in the presence of palladium complexes and reducing agents: 2,3-dialkenylation of norbornene and its derivatives
β Scribed by Li, Chen Shun; Jou, Der Ching; Cheng, Chien Hong; Liao, Fen Ling; Wang, Sue Lein
- Book ID
- 126192072
- Publisher
- American Chemical Society
- Year
- 1993
- Tongue
- English
- Weight
- 881 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0276-7333
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The treatment of SH-benzo[f+l,2,3,4+enathiepin ( B'lTP ) or 6H-benzo[g]-l,2,3,4,5-pentathiocin ( BFTC ) with alkenes in the presence of BF3aEt2 afforded trclns adducts, 2,3disubstituted ben~l, (1). which further reacted with alkenes to give cis adducts, 2,3disubstituted benz~l.4ditbiepanes (2).
## Abstract Oneβpot sequential reactions involving azideβalkyne [3+2] cycloaddition and atom transfer radical addition (ATRA) catalyzed by [Cu^II^(TPMA)X][X] {X = Br^β^ or Cl^β^, TPMA = tris(2βpyridylmethyl)amine} in the presence of ascorbic acid as a reducing agent are reported. Reactions with azi