Kraft et al., Mechanism of Vinylic and Allylic Carbon-Fluorine Bond . . . , Journal of Am. Chem. Soc., vol. 124, No. 29, 2002, pp. 8681-8689.Kraft, Bradley M. et al., “Mechanism of Vinylic and Allylic Carbon-Fluorine Bond Activation of Non-Perfluorinated Olefins Using Cp*2Zr...
ChemInform Abstract: ALLYLIC VS. VINYLIC DEPROTONATION REACTIONS OF CYCLIC VINYL ETHERS. 7-LITHIO-2,3,4,5-TETRAHYDROOXEPIN: SYNTHESIS AND CARBON-13 NMR SPECTRUMmulti‐membered N‐heterocyclesNo abstract is available for this article.doi:10.1002/chin.198252263...
Duality of mechanism in the addition of allylic grignard reagents to carbon-carbon double bonds. The stereoselective cyclisation of 2,7-octadienylmagnesium... H Felkin,JD Umpleby,E Hagaman,... 被引量: 0发表: 1972年 Recent Progress in the Catalytic Synthesis of Tertiary Alcohols from Ketones wi...
Sila-molecules have recently attracted attention due to their promising applications in medical and industrial fields. Compared with all-carbon parent compounds, the different covalent radius and electronegativity of silicon from carbon generally endow the corresponding sila-analogs with unique biological acti...
synthesis of7was particularly sensitive to the phenol equivalencies, with lower loadings proving more effective (seeSupplementary informationfor details). This could be a consequence of a slower radical addition by the stabilized allylic species. Importantly, the alkene remains intact, leaving this ...
Stereoselective synthesis of Z,E and Z,Z-1,4-dienes has been achieved by the cross-coupling of allylic substrates with vinyl organometallic reagents. Key t... Hutzinger MW,Oehlschlager AC - 《Journal of Organic Chemistry》 被引量: 64发表: 1995年 Synthesis of alpha-pyridone-based azaheteroar...
It has been found that in the present systems, hydrogen can be used to provide increased activity without significantly impairing the catalyst's ability to produce allylic chain ends. Preferably the catalyst activity (calculated as g/mmol catalyst/hr) is at least 20% higher than the same ...
Furthermore, this carbon atom bonds with the double-bonded carbon atom through a single bond. Therefore, the electron density around this carbon atom is lower than that of the carbon atoms in the double bond. If a molecule contains two double bonds, then the allylic carbon that bears the ch...
carbon to adjacent allylic sp carbon initiated from vinyl bromide. Various 3-aryl-2-bromopropenes and secondary amines were surveyed and the allyl amination products were obtained in moderate isolated yields. The primary amine was not fit for this transformation. Mechanistic studies indicate that this...
; Ketones 1 were converted to α-quaternary α-vinyl ketones 2 by a two-step formal allylic carbon insertion between ketone carbonyl and α carbons, which involves the reaction of 1 with propargyltitanium reagents, derived from propargyl carbonates 3 and a divalent titanium reagent Ti(O- i -...