## Abstract For Abstract see ChemInform Abstract in Full Text.
Asymmetric hetero-Diels–Alder reaction of chiral pinanediol 1,3-dienylboronates with azo-compounds
✍ Scribed by Ao Zhang; Ying Kan; Biao Jiang
- Book ID
- 108371129
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- French
- Weight
- 108 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0040-4020
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📜 SIMILAR VOLUMES
Diets-Alder reactions of 1,3-disiloxycyclohexadiene 2 with acrylamide a, derived from a chiral pyrrolidine possessing C2 symmetry, occur with high endo : exo and diastereofacial selectivities. The endo : exo ratio is controlled by the choice of the catalyst.
R2AlC~-ordinate ~-meth~~loy~ul~ lc undergoes efficient, t&o-selective and highly diastereofact controlled [4+2]-additions to cyclopentadiene, isoprene, fE)-piperylene and the 2-silyloxydieaes 10 and 12. The resulting crystalline cyclogdducts are smoothly reduced with LiAlH4 providing the recovered a