Abstract
The reaction of Ru 3(CO) 12 ( 1) with LiEt 3BH at −78°C affords the transient cluster formyl complex Ru 3(CO) 11(CHO) − ( 2) which is observed to decompose by CO loss to give the known hydride cluster Ru 3(CO) 11(H) − ( 3) rapidly at temperatures above −50°C. The formyl cluster has been characterized by low temperature FT-IR, 1H and 13C NMR measurements. Formyl trapping experiments and the effect of Bu 3SnH on the rate of formyl decomposition are briefly described.
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