Takahiro Yoneyama
Mitsubishi Chemical Corporation
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Publication
Featured researches published by Takahiro Yoneyama.
Journal of Molecular Catalysis A-chemical | 1998
Masatoshi Takagi; Hidekazu Miyagi; Takahiro Yoneyama; Yuji Ohgomori
Abstract Oxidative carbonylation of phenol to form diphenyl carbonate (DPC) was examined. A novel catalyst of type Pd–Pb–NMe4Br was found to show high activity and selectivity for the present reaction. The Pd species seems to work as an homogeneous catalyst. The rate of DPC formation was in first order with respect to PO2 and [Pb], indicating that the oxygen activation with lead compound is the rate-determining step. Concomitant bromophenol formation was suppressed by Cu or Co additives and longer catalyst life was achieved with these additives.
Archive | 1993
Hiroshi Iwane; Hidekazu Miyagi; Satoshi Imada; Shoichi Seo; Takahiro Yoneyama
Archive | 1996
Katsufumi Kujira; Yuji Okago; Masatoshi Takagi; Takahiro Yoneyama; 祐二 大篭; 孝裕 米山; 雅敏 高木; 勝文 鯨
Archive | 1993
Hiroshi Iwane; Hidekazu Miyagi; Takahiro Yoneyama; 秀和 宮城; 寛 岩根; 孝裕 米山
Archive | 2011
Junichi Ooizumi; Katsuya Funayama; Takuya Kashiwagi; Takahiro Yoneyama
Archive | 2011
Junichi Oizumi; Katsuya Funayama; Takashi Fujiwara; Takahiro Yoneyama; Keishin Handa
Archive | 1991
Takahiro Yoneyama; Hisashi Yamagata; Mitsunobu Shimazu; Masaki Odagiri; Makoto Imanari
Archive | 1991
Takahiro Yoneyama; Masaki Odagiri; Makoto Imanari
Archive | 2011
Katsuya Funayama; Takuya Kashiwagi; Takahiro Yoneyama
Archive | 1997
Masatoshi Takagi; Katsufumi Kujira; Takahiro Yoneyama; Yuji Ohgomori
