Quarterly Journal of the Chemical Society of London |
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Page 3748
... infrared region . The band at 895 cm.1 was observed only in the infrared spectrum and is therefore assigned to this mode . The suggestion that it may be an extra N - C mode is untenable since it moves the expected amount to 645 cm.- on ...
... infrared region . The band at 895 cm.1 was observed only in the infrared spectrum and is therefore assigned to this mode . The suggestion that it may be an extra N - C mode is untenable since it moves the expected amount to 645 cm.- on ...
Page 3863
... Infrared Raman Infrared Raman 8a 1607 1.6 1603 30 1595 0.85 8b 1561 0.5 1563 12 1546 0.75 19a 1497 0.4 1495 11 1499 0.5 Infrared 1565 1.5 1565 1.5 1481 0.8 Raman Infrared Raman 1567 59 1567 59 1479 7 1561 1.5 1561 33 1561 1.5 1561 33 ...
... Infrared Raman Infrared Raman 8a 1607 1.6 1603 30 1595 0.85 8b 1561 0.5 1563 12 1546 0.75 19a 1497 0.4 1495 11 1499 0.5 Infrared 1565 1.5 1565 1.5 1481 0.8 Raman Infrared Raman 1567 59 1567 59 1479 7 1561 1.5 1561 33 1561 1.5 1561 33 ...
Page 3864
... Infrared Raman Infrared Raman Infrared Raman Infrared Raman 8a 1598 0.2 1594 26 1589 1.1 1591 100 8b 1579 0.55 1575 14 1565 0.8 19a 1481 0.6 1476 6 1475 0.55 1468 1.0 1563 0.3 1565 1572 0.7 1569 1467 19 1560 0.15 1557 22 1571 0.35 1571 ...
... Infrared Raman Infrared Raman Infrared Raman Infrared Raman 8a 1598 0.2 1594 26 1589 1.1 1591 100 8b 1579 0.55 1575 14 1565 0.8 19a 1481 0.6 1476 6 1475 0.55 1468 1.0 1563 0.3 1565 1572 0.7 1569 1467 19 1560 0.15 1557 22 1571 0.35 1571 ...
Contents
3820 | 3468 |
The reactions of carbenes and diazoalkanes with ketones Part I The reaction | 3480 |
The SN mechanism in aromatic compounds Part XXVIII Reactivity in | 3486 |
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absorption acetic acid acetone acetonitrile acidified alcohol alumina Amax Amer anhydrous anthracene aqueous atom band benzene bond Calc carbon catalyst CH₂ Chem chloride chloroform chromatography cm.¹ Found CO₂H complex compounds concentration crystal crystallised cucurbitacin decomp decomposition derivatives diazomethane diethyl dilute dissolved distilled dried Elution enol ester ethanol ethyl acetate evaporated experimental extracted with ether filtered formation fraction gave give H₂O heated hydrochloride hydrogen chloride hydrolysis infrared infrared spectrum isolated isomer kcal./mole ketone kinetic light petroleum lithium aluminium hydride methyl methylene mixed m. p. mixture mole molecular molecule mµ ɛ needles nitrogen nitrosonium nitrosyl chloride obtained oxidation phosphate Phys potassium prepared proton pyridine ratio reaction reduced refluxed requires residue room temperature salt sodium hydrogen sodium hydroxide solid solution solvent spectra stirred structure substitution sulphide sulphuric Table tetracene tube vacuo values Vmax washed yield