Direct Epoxidation of Propylene over Stabilized Cu +  Surface Sites on Titanium‐Modified Cu 2 O | Zendy

Yang Xiaofang | Zendy; Kattel Shyam | Zendy; Xiong Ke | Zendy; Mudiyanselage Kumudu | Zendy; Rykov Sergei | Zendy; Senanayake Sanjaya D. | Zendy; Rodriguez José A. | Zendy; Liu Ping | Zendy; Stacchiola Dario J. | Zendy; Chen Jingguang G. | Zendy

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Direct Epoxidation of Propylene over Stabilized Cu + Surface Sites on Titanium‐Modified Cu 2 O

Author(s) -

Yang Xiaofang,

Kattel Shyam,

Xiong Ke,

Mudiyanselage Kumudu,

Rykov Sergei,

Senanayake Sanjaya D.,

Rodriguez José A.,

Liu Ping,

Stacchiola Dario J.,

Chen Jingguang G.

Publication year - 2015

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201504538

Subject(s) - selectivity , propylene oxide , titanium , chemistry , oxide , combustion , titanium oxide , inorganic chemistry , materials science , catalysis , photochemistry , organic chemistry , polymer , ethylene oxide , copolymer

Direct propylene epoxidation by O 2 is a challenging reaction because of the strong tendency for complete combustion. Results from the current study demonstrate that by generating highly dispersed and stabilized Cu + active sites in a TiCuO x mixed oxide the epoxidation selectivity can be tuned. The TiCuO x surface anchors the key surface intermediate, an oxametallacycle, leading to higher selectivity for epoxidation of propylene.

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