Methods of Synthesis of Peptides

Mitin, Yu. V.; Zapevalova, N. P.

doi:10.1070/rc1977v046n05abeh002146

Cited by 4 publications

(2 citation statements)

References 38 publications

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“…Due to the lack of experimental data, partial molar volumes of MnO, K 2 O and Na 2 O given by Mill and Keen 3 are adopted for the present model. Density data for Al 2 O 3 due to Mitin and Nagibin 19 were employed to generate a temperature dependence of molar volume for Al(VI) 2 O 3 . The partial molar volume of MgO proposed by Bottinger and Weil 1 was adopted.…”

Section: Model Descriptionmentioning

confidence: 99%

Calculation for density of molten slags using optical basicity

Shu

Chou

2013

Ironmaking & Steelmaking

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A model for density calculation of multicomponent slags was developed in the present work. This model is an extension of a previous model proposed by the present author. Density values of molten slags were calculated from molar volume values, which were calculated from molar volume of pure component and mixing molar volume. Mixing molar volume is correlated to differences between reciprocals of optical basicities of network forming oxides and those of network modifying oxides. Charge compensation for AIO 4 52 was taken into considerationexplicitly. An increase in molar volume due to Al coordination shift from sixfold to fourfold was modelled by defining molar volume of a hypothetical state of alumina in fourfold coordination in the present work. Density values of M 2 O-SiO 2 (M5Na, K)-CaO-MgO-SiO 2 system were calculated by employing the present model. Comparisons between calculated and experimental values in literature were also made. The calculated values are in good agreement with experimental data with a mean deviation within 2%. The present work also showed that the addition of network modifying oxide with high optical basicity values would lead to a remarkable negative deviation of molar volume from ideal mixing, which could be interpreted by considering larger Si-O shortening caused by metal cations with lower electronegativity. In addition, the positive deviation for metal oxide and alumina join was also well explained in terms of molar volume increase due to Al coordination change in the present work.

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Section: Model Descriptionmentioning

confidence: 99%

Calculation for density of molten slags using optical basicity

Shu

Chou

2013

Ironmaking & Steelmaking

View full text Add to dashboard Cite

show abstract

“…Orgnometallic cmpds, alkali metals, 43 13C NMR, 277 cyclobutadiene, 95 P ligands, 88 sandwich, 61 Organopalladium intermediates in synth, 264 Ortho effect, 166 Oxazolones, 33 Oxidation, C=C and C=N bonds, 306 DDQ, 382 lead tetraacetate, 382 SeOi, 154 triplet O3 indoles, 148 Oxygenation, bioiminetic, 267 Palladium cmpds, in synthesis, 264 Pederin, synthesis, 209 Penicillin, biosynthesis, 256 Pentafluorophenol group, 108 Pentalenes, hetero, 352,357 Peptides, biol active, 212 microsequence analysis, 212 synth methods, 231 sequential synth, 292 tryptophane in, 158 Peptide bond fmn, 14 Peptide conformation 13C NMR, 273 Pericyclic reactions, [343][344][345][346][347][348][349][350][351] carbanions, 346 carbenes, 346 carbocations, 347 concertedness criteria, 343 cumulenes, 348 dipolar cycloaddition, 301 diradical mech, 268 frontier MO theory of, 350 loss of N2, 81 of oxiranes, 72 Peroxide intermediates, 17 Phase transfer catalysis, 70,383 with quat amm salts, 56…”

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confidence: 99%