Picosecond laser studies on the reaction of excited triplet diphenylcarbene with alcohols

Journal Article · Thu Jun 23 04:00:00 EDT 1983 · J. Phys. Chem.; (United States)

DOI:https://doi.org/10.1021/j100236a008· OSTI ID:5216915

Sitzmann, E V; Wang, Y; Eisenthal, K B

Diphenylcarbene in its excited triplet state (/sup 3//sup */DPC) is quite reactive with alcohol, unlike the ground triplet state. The excited triplet diphenylcarbene was generated in a two-pulse experiment with UV picosecond pulses. The reaction of /sup 3//sup */DPC with a series of alcohols was monitored by the decrease in the fluorescence lifetime of /sup 3//sup */DPC. Based on the relative reactivities of the alcohols, along with the observed kinetic isotope effect, it is concluded that /sup 3//sup */DPC, in a similar way to /sup 1/DPC, preferentially attacks the O-H bond, rather than the C-H bond of the alcohols.

• Research Organization: Columbia Univ., New York, NY
• OSTI ID: 5216915
• Journal Information: J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 87:13; ISSN JPCHA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ALCOHOLS
CARBENES
CHEMICAL BONDS
CHEMICAL REACTION KINETICS
ELECTROMAGNETIC RADIATION
ENERGY LEVELS
EXCITED STATES
FLUORESCENCE
HYDROXY COMPOUNDS
ISOTOPE EFFECTS
KINETICS
LASERS
LUMINESCENCE
ORGANIC COMPOUNDS
PULSE TECHNIQUES
RADIATIONS
RADICALS
REACTION KINETICS
REACTIVITY
ULTRAVIOLET RADIATION