有恶臭 发表于 2025-3-27 00:59:52

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Chagrin 发表于 2025-3-27 04:53:40

Cyclopentane Ring Formation in the Cycloaddition Reactions of 3-Butenyl Radical on the Electron-DefBy decomposition of thiohydroxamic esters of 4-pentenoic acid in the presence of symmetrical electron-deficient olefinic compounds, intermolecular and intramolecular radical additions takes place and polysubstituted cyclopentane derivatives were obtained.

BORE 发表于 2025-3-27 06:19:46

,α-Halosulfones Reduction Mechanism: Application of Highly Efficient Radical Clocks,The synthesis of highly efficient radical clocks of the 5-(.)-subsituted-5-(.)-isopropyl sulfonyl type was recently developped.. The rates of the intramolecular radical cyclization (reaction (1)) are presently among the fastest (10. and 10. s. respectively for R=CN and R=C.H.).

Kindle 发表于 2025-3-27 12:30:01

Autoxidation of (Me3Si)3SIH,The oxidation of trialkyl- and triarylsilanes induced by free radical initiators gave silanols as the major product, and no species corresponding to a hydroperoxide was isolated, in contrast with the autoxidation of the carbon analogues. Possible reaction schemes for such behaviour have been proposed in the literature.

Debate 发表于 2025-3-27 16:16:42

,Ti(III) Salt Mediated Radical Addition to Carbonyl Carbon, Synthesis of α,β-Dihydroxyketones.,Carbon centered radicals ., generated by reduction of α, β-dicarbonyl compounds . by Ti(III) salt, add to the carbonyl carbon of aldehydes . to afford α, β-dihydroxyketones . in reasonable to high yields. Good stereoselectivity, depending on the nature of the reactants, is achieved.

他日关税重重 发表于 2025-3-27 18:55:59

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coltish 发表于 2025-3-27 22:03:10

The Mechanisms of the Rearrangements of Allylic Hydroperoxides,Cholesterol-5α-hydroperoxide (2) obtained by the singlet oxygenation of cholesterol (1), rearranges in chloroform to the 7α-hydroperoxide. (3) which then epimerises more slowly into the 7 β-hydroperoxide.(4).

FECK 发表于 2025-3-28 04:54:46

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GOAT 发表于 2025-3-28 07:15:21

https://doi.org/10.1007/978-3-642-73963-7Coupling reaction; Cycloaddition; Nucleophilic substitution; Rearrangement; Steric effect; organic chemis

Allodynia 发表于 2025-3-28 10:32:00

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查看完整版本: Titlebook: Organic Free Radicals; Proceedings of the F Hanns Fischer,Heinz Heimgartner Conference proceedings 1988 Springer-Verlag Berlin Heidelberg 1