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Flash Photolysis Studies of Carbenes

In the late 1960s, Moritani and coworkers [15] reported studies of diazo compound 6 by flash photolysis methods. They were able to detect triplet carbene 7 [Pg.30]

Observing Invisible Carbenes By Trapping Them with Pyridine [Pg.31]

The first absolute rate constant of a carbene reaction in solution was reported by Closs and Rabinow in 1976. [16] Upon photolysis of diphenyldiazomethane 1 in benzene with a conventional flash lamp, a transient spectrum with X 300 nm was detected. This absorption was assigned to triplet diphenylcarbene 3 because of the correspondence of this spectrum with that previously obtained for this carbene in a low temperature matrix. Upon flash photolysis of diphenyldiazomethane in cyclohexane the transient spectrum of the known spectrum of benzhydryl radical 9 334 nm) was produced. Carbene abstraction [Pg.31]

In benzene (which is inert towards 3) Closs and Rabinow measured the absolute rate constant of reaction of triplet carbene with itself, with dienes and with methanol. [Pg.31]


EARLY LASER FLASH PHOTOLYSIS STUDIES OF CARBENES... [Pg.31]

Griller, D., Nazran, A.S., and Scaiano, J. C., Flash Photolysis Studies of Carbenes and Their Impact on the Skell-Woodworth Rules, Tetrahedron, 41,1525, 1985. [Pg.1831]


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