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Asymmetric epoxidation competing side reactions

The concentration of substrate used in the asymmetric epoxidation must be given consideration because competing side reactions may increase with increased reagent concentration. The use of catalytic quantities of the Ti-tartrate complex has greatiy reduced this problem. The epoxidation of most substrates under catalytic conditions may be performed at a substrate concentration up to 1 M. By contrast, epoxidations using stoichiometric amounts of complex are best run at substrate concentrations of 0.1 M or lower. Even with catalytic amounts of the complex, a concentration of 0.1 M may be maximal for substrates such as cinnamyl alcohol, which produce sensitive epoxy alcohol products [4]. [Pg.236]


See other pages where Asymmetric epoxidation competing side reactions is mentioned: [Pg.285]    [Pg.362]   
See also in sourсe #XX -- [ Pg.394 ]

See also in sourсe #XX -- [ Pg.394 ]

See also in sourсe #XX -- [ Pg.7 , Pg.394 ]

See also in sourсe #XX -- [ Pg.7 , Pg.394 ]

See also in sourсe #XX -- [ Pg.394 ]




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Asymmetric epoxidation

Asymmetric reactions epoxidation

Competence

Competence, competencies

Competency

Competent

Competing reactions

Epoxidation side reactions

Epoxidations, asymmetric

Epoxide reaction

Epoxides asymmetric epoxidation

Epoxides reactions

Reactions epoxidation

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