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ChemInform Abstract: Substrate-Directed Diastereoselective Hydroformylation of Methallylic Alcohols.

โœ Scribed by B. BREIT

Publisher
John Wiley and Sons
Year
2010
Weight
31 KB
Volume
28
Category
Article
ISSN
0931-7597

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โœฆ Synopsis

Substrate-Directed Diastereoselective Hydroformylation of Methallylic Alcohols.

-An effective directing metal-coordinating group is required for the diastereoselective hydroformylation. A key auxiliary is the Dpb group. Thus, the educts lead by catalytic hydroformylation to syn-aldehydes in very high diastereoselectivity. The reaction can be used for the efficient construction of stereotriades, the central structural units of polyketide natural products.

๐Ÿ“œ SIMILAR VOLUMES

ChemInform Abstract: Substrate-Directed
ChemInform Abstract: Substrate-Directed Diastereoselective Hydroformylation. Part 1. Substrate-Directed Diastereoselective Hydroformylation of Methallylic Alcohols - Development of an Efficient Catalyst-Directing Group for Rhodium-Catalyzed Hydroformylation.
โœ B. BREIT ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 33 KB ๐Ÿ‘ 1 views

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dropwise to a suspension of [AuCl(tht)] (100 mg. 0.312 mmol) in acetone (10 mL). The reaction mixture was stirred for 5 h and the solvents were evaporated to dryness. Addition of hexane (10 mL) and filtration through Kieselguhr led to a colorless solution Concentration of the solution to ahout 1 mL

ChemInform Abstract: Substrate Directed
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Substrate Directed Diastereoselective Hydroformylation of Acyclic Homomethallylic Alcohols. -Diastereoselective hydroformylation of acyclic alcohols is achieved with the aid of a catalyst-directing group. In all cases the corresponding aldehydes are formed in good yields with high anti-selectivity.