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β-Eliminierung von Ethanol aus [(H2O)5CrCH2CH2OC2H5]2⊕ in wäßriger Lösung; eine Pulsradiolyse-Untersuchung

✍ Scribed by Dr. Haim Cohen; Prof. Dr. Dan Meyerstein

Publisher
John Wiley and Sons
Year
1985
Tongue
English
Weight
292 KB
Volume
97
Category
Article
ISSN
0044-8249

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✦ Synopsis

n 0.1 M LBsung in xylol zur gquivalenten Menge 5 im gleichen siedenden Solvens zum Diolid 13 cyclisiert (Verdiinnungsbedingungen)"'. Die anschlieBende Oxidation von 0 0 THPO-(CH2),-CH0 + 5 + HO-(CH2)4-( ] 0 10 n 13 mit zwei Aquivalenten Selendioxid ergibt Norpyrenophorin 14'"' (11: Kp= 125-128"C/0.05 Torr (Kugelrohr, Luftbadtemperatur); 13 : Fp= 55°C (Hexan), Kp= 127"C/ 0.01 TOIT; 14: Fp= 131 "C).

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Cleavage of an Ether Bond via β-Eliminat
Cleavage of an Ether Bond via β-Elimination of Ethanol from [(H2O)5CrCH2CH2OC2H5]2+ in Aqueous Solutions; A Pulse Radiolysis Study
✍ Dr. Haim Cohen; Prof. Dr. Dan Meyerstein 📂 Article 📅 1985 🏛 John Wiley and Sons 🌐 English ⚖ 325 KB

temperature range 100-298 K were readily fitted using an isotropic Heisenberg model, H'= 2 J S , .Sz ( S , =Sz = 2) and g = 2.24. The spin exchange coupling constant J of -14(2) cm -I," 'I which is in excellent agreement with the value derived for deoxyhemerythrin,[61 indicates weak antiferromagneti