The Arrangement of Atoms in SpaceLongmans, Green and Company, 1898 - 211 páginas |
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Página 3
... identical , through the resulting symmetry and identity of the two tetrahedra . In the case of doubly linked carbon , however , there arises the possibilty of a difference . Here , too , four groups are connected , and Le Bel considers ...
... identical , through the resulting symmetry and identity of the two tetrahedra . In the case of doubly linked carbon , however , there arises the possibilty of a difference . Here , too , four groups are connected , and Le Bel considers ...
Página 7
... identical . when R , and R , become the same ; while this leaves the isomerism unaffected if we represent the formula in one plane ( figs . 1 and 2 ) . To illustrate the matter with models we may use the THE ASYMMETRIC CARBON ATOM 7.
... identical . when R , and R , become the same ; while this leaves the isomerism unaffected if we represent the formula in one plane ( figs . 1 and 2 ) . To illustrate the matter with models we may use the THE ASYMMETRIC CARBON ATOM 7.
Página 8
... identical , the regular tetrahedron with variously coloured corners quite suffices . But if the mechanics of the atoms is to be taken into account , we must admit , without making any hypothesis as to the nature of the forces acting ...
... identical , the regular tetrahedron with variously coloured corners quite suffices . But if the mechanics of the atoms is to be taken into account , we must admit , without making any hypothesis as to the nature of the forces acting ...
Página 10
... identical in the two isomers ; thus , sp . gr . , crit . temp . , maximal tension , boiling point , melting point , latent heat of fusion and vaporisation , & c . The same holds for the physical properties which manifest them- selves as ...
... identical in the two isomers ; thus , sp . gr . , crit . temp . , maximal tension , boiling point , melting point , latent heat of fusion and vaporisation , & c . The same holds for the physical properties which manifest them- selves as ...
Página 40
... identical with the synthesised inactive acid , which in fact was afterwards divided . then , whole groups of such racemic mixtures have been prepared by Montgolfier , Haller , Jungfleisch , and Friedel in the camphor series - camphor ...
... identical with the synthesised inactive acid , which in fact was afterwards divided . then , whole groups of such racemic mixtures have been prepared by Montgolfier , Haller , Jungfleisch , and Friedel in the camphor series - camphor ...
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Términos y frases comunes
alcohol ammonium amyl arabinose Arabonic acid asymmetric carbon atom B.Sc benzene camphor CH₂ change of rotation Chem chemical CHEMISTRY Chim chloride cinnamic acid CO₂H CO₂H Coloured Compt configuration corresponding Crown 8vo derivatives Diagrams difference dilution division double Edition ELEMENTARY enantiomorphous Engineering Examination Fischer formula fumaric acid Gluconic acid glucose Guye H CO₂H H H H H₂COH HCOH HCOH HCOH HCOH HOCH heating HOCH HOCH HOCH Hoff ibid identical Illustrations inactive indivisible isomerism isomers isomers of opposite lactone Ladenburg Lecturer left-handed LL.D Lond London maleïc malic acid mannite Manual MECHANICS methyl mixture molecular molecule mucic acid nitrogen numerous observed obtained opposite activity optical Pasteur PHYSICS PHYSIOLOGY Plates Professor R₁ R₂ racemic acid radical Rend ring formation Royal College Saccharic acid salts solution Sorbite substances tartaric acid tartrates temperature tetrahedron theory tion Trans transformation Walden Wislicenus Woodcuts xylose Zeitschr нсон он
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