Carbon-carbon coupling from formaldehyde reactions on Mo(110)

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Bibliographic Information

Carbon-carbon coupling from formaldehyde reaction on Mo(110). Queeney, K. T.; Arumainayagam, C. R.; Balaji, A.; Friend, C. M. Department of Chemistry, Harvard University, Cambridge, MA, USA. Surf. Sci. (1998), 418(1), L31-L38. CODEN: SUSCAS ISSN: 0039-6028. Journal written in English. CAN 130:109938 AN 1999:252 CAPLUS (Copyright 2001 ACS)

Abstract

Formaldehyde (CH₂O) reaction on Mo(110) is studied with temp. programmed reaction and IR reflectance absorbance spectroscopy. We present preliminary results which demonstrate the evolution of gas-phase ethylene from the formaldehyde reaction, to the best of our knowledge the first example of carbon-carbon bond formation on clean Mo(110). This reaction is proposed to proceed via an ethylene dialkoxide intermediate, analogous to that formed during reaction of ethylene glycol on Mo(110). Other reactions include hydrogenation of CH₂O to form a methoxy intermediate which subsequently undergoes C-O bond scission to evolve gas-phase Me radicals at .apprx.600 K.