Journal
ACS CATALYSIS
Volume 1, Issue 11, Pages 1469-1474Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cs2003824
Keywords
esterification; iron; oxygen; phthalocyanines; triphenylphosphine
Categories
Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan [23790008]
- Hokuriku Bank, Ltd.
- Grants-in-Aid for Scientific Research [23790008] Funding Source: KAKEN
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Iron phthalocyanine-catalyzed oxidative activation of triphenylphosphine by molecular oxygen of air occurs, and esters and triphenylphosphine oxide are obtained in the presence of alcohols and carboxylic adds. Experimental results indicate that reactivity of esterification is dependent on acidity of the carboxylic acids and that an acyloxyphosphonium ion intermediate participates in the reaction mechanism. Addition of pyridine N-oxide derivatives accelerated the reaction, and a wide range of alcohols and carboxylic adds can be employed in this reaction.
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