Citation: Xiu Zhi WANG, Han Qing CHEN, Er Jian WANG. INTRA-ION PAIR ELECTRON TRANSFER OF PHOTOEXCITED METHYLENE BLUE BORATE[J]. Chinese Chemical Letters, ;1995, 6(7): 597-600. shu

INTRA-ION PAIR ELECTRON TRANSFER OF PHOTOEXCITED METHYLENE BLUE BORATE

a Institute of Photographic Chemistry, Academia Sinica, Beijing 100101;
b National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000

Received Date: 18 January 1995

Fund Project: This work was supported by the National Science Foundation of China.

The photochemical reaction of methylene blue(n-butyltriphenyl) borate, MBRBPh₃ was examined.The ultrafast quenching rate and large negative value of △G indicated that the intra-ion pair ET plays an important role in photoreaction of MBRBPh₃.The sequent boron-carbon bond cleavage of butyltriphenylboranyl radical intermediate was found by GC-MS and photo-CIDNP studies.
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