Detail of "7314-85-4"

Reference

Carbon-13 nuclear magnetic resonance spectra

Carbon-13 nuclear magnetic resonance spectra. 20. Electronegativity and linear electric field effects on g-anti carbon-13 chemical shifts. Duddeck, Helmut; Islam, M. Rabiul (Abt. Chem., Ruhr-Univ., Bochum D-4630/1, Fed. Rep. Ger.). Org. Magn. Reson. 7314-85-4 and 89423-33-6 are cas registry numbers of chemicals which are used as reagents here., 21(12), 727-9 (English) 1983. CODEN: ORMRBD. ISSN: 0030-4921. DOCUMENT TYPE: Journal CA Section: 22 (Physical Organic Chemistry) Section cross-reference(s): 77 The contribution from a 1,3-diaxial H-a×××H-g arrangement (between C-4 and C-9) to the g-anti effects of substituents X in I (X = F, OH, Cl, Br, I, Me, Me3Si, Me3Sn), which was previously believed to be generally shielding, is extremely dependent on the electroneg. of substituent X. In the presence of axial g-substituents Y in II (Y = Me, F, OH, Cl, Br), linear elec. field effects appear to play a significant role if the C(g)-Y bond is highly polarizable. .

Perchlorate esters

Perchlorate esters. 7. Solvolysis of 2-adamantyl perchlorate: rate and product studies. Kevill, Dennis N.; Bahari, Mohd. S.; Anderson, Steven W. (Dep. Chem., Northern Illinois Univ., DeKalb, IL 60115, USA). J. Am. Chem. Soc., 106(10), 2895-901 (English) 1984. CODEN: JACSAT. ISSN: 0002-7863. DOCUMENT TYPE: Journal CA Section: 22 (Physical Organic Chemistry) The solvolysis of 2-adamantyl perchlorate proceeds at a convenient rate at temps. close to ambient in a wide variety of pure and aq. org. solvents. The nucleofugality of the perchlorate ion in SN1 reactions is several orders of magnitude higher than for more conventional leaving groups, such as p-toluenesulfonate or bromide. Entropies of activation in pure org. solvents and in 80% ethanol are unusually high. Grunwald-Winstein plots are markedly curved, with deviations being esp. marked for aq. acetone and aq. CF3CH2OH mixts. A scale of YOClO3 values is developed and compared with scales for a variety of other leaving groups. In aq. ethanol there is a preference for product formation by interaction with water mols.In this experiment, several chemicals are used like 7314-85-4 and 7783-93-9 by a factor of ~1.7, essentially independent of solvent compn. (96-50% ethanol) and temp. .