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Et3B-promoted, Pd-catalyzed C-allylation of o-hydroxyacetophenone and its derivatives with allyl alcohols

โœ Scribed by Yoshikazu Horino; Makoto Naito; Masanari Kimura; Shuji Tanaka; Yoshinao Tamaru

Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
74 KB
Volume
42
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

Triethylborane promotes the Pd-catalyzed selective C-diallylation of o-hydroxyacetophenone and C-monoallylation of o-hydroxypropiophenone with a variety of ally alcohols. The reaction proceeds smoothly at 25-50ยฐC and provides the allylation products in excellent yields.

๐Ÿ“œ SIMILAR VOLUMES

Et3Bโ€“Pd-promoted allylation of benzaldeh
Et3Bโ€“Pd-promoted allylation of benzaldehyde with allylic alcohols
โœ Masanari Kimura; Tatsuya Tomizawa; Yoshikazu Horino; Shuji Tanaka; Yoshinao Tama ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 134 KB

In the presence of Pd(OAc) 2 (0.05 equiv.) and PPh 3 (0.1 equiv.), triethylborane promotes a variety of allyl alcohols to undergo allylation of benzaldehyde to provide homoallyl alcohols in good yield.