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ChemInform Abstract: Highly Diastereoselective Addition of Allyltitanocenes to Ketones.

✍ Scribed by Yasutaka Yatsumonji; Takuya Nishimura; Akira Tsubouchi; Keiichi Noguchi; Takeshi Takeda

Publisher
John Wiley and Sons
Year
2009
Weight
37 KB
Volume
40
Category
Article
ISSN
0931-7597

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A case of highly diastereoselective addi
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## Abstract (2‐Butenyl)‐, (4‐methyl‐2‐pentenyl)‐, and (2‐heptenyl)triphenoxytitanium (**2a**–**c**) add to dialkyl, alkyl aryl‐, and alkinyl aryl ketones to give high yields of tertiary homoallylic alcohols (**5**–**12**), which are diastereomerically enriched up to 98%. Configurational assignment