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2004
Cyclopentane derivatives
Q 0030
Thiophenol-Mediated Hydrogen Atom Abstraction: An Efficient Tin-Free Procefor the Preparation of Cyclopentane Derivatives. — The title reaction pro47- 064 dure
ceeds easily with the terminal alkynes and thiophenol. It is superior to the previously
used tributyltin hydride protocol and affords a higher amount of radical translocation
products. It is also possible to generate a nonstabilized primary alkyl radical starting
from (XIV). In most cases the reaction proceeds completely regioselectively. —
(BEAUFILS, F.; DENES, F.; RENAUD*, P.; Org. Lett. 6 (2004) 15, 2563-2566; Inst.
Chem. Biochem., Univ. Bern, CH-3012 Bern, Switz.; Eng.) — Steudel
2004
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