Journal of the Chemical SocietyThe Society., 1963 |
From inside the book
Results 1-3 of 83
Page 1661
... component R 0.95 , tetrahydro- pyran - 2 - ol ; Rp 0.89 , 8 - valerolactone ; Rp 0.54 , tetrahydropyran - 2,3 - diol ; Rp 0-4 , bistetra- hydropyranyl ether . With the butanol solvent , paper chromatography of the neutral fractions C ...
... component R 0.95 , tetrahydro- pyran - 2 - ol ; Rp 0.89 , 8 - valerolactone ; Rp 0.54 , tetrahydropyran - 2,3 - diol ; Rp 0-4 , bistetra- hydropyranyl ether . With the butanol solvent , paper chromatography of the neutral fractions C ...
Page 1695
... component ( 10 mg . ) gave mannose only on hydrolysis . Partial hydrolysis of the slower - moving component gave mannose , one disaccharide with the chromato- graphic mobility of 4-0-3 - D - mannopyranosyl - D - mnnose , and unchanged ...
... component ( 10 mg . ) gave mannose only on hydrolysis . Partial hydrolysis of the slower - moving component gave mannose , one disaccharide with the chromato- graphic mobility of 4-0-3 - D - mannopyranosyl - D - mnnose , and unchanged ...
Page 1709
... component of A9 was immobile and only traces of other components were present . The main component was eluted from the paper and hydrolysed to give galacturonic acid , xylose , fucose , and small amounts of galactose and arabinose . The ...
... component of A9 was immobile and only traces of other components were present . The main component was eluted from the paper and hydrolysed to give galacturonic acid , xylose , fucose , and small amounts of galactose and arabinose . The ...
Contents
263 | 1371 |
Glucosides and aglycones from canary scrophulariaceae Part VI Structure | 1401 |
299 | 1403 |
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Common terms and phrases
absorption acetic acid acetone added alcohol alkaline alumina Amax Amer anhydride aqueous arabinose atomic orbitals bands benzene benzyl bond bromide Calc carbon tetrachloride carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ complex compounds concentrated cooled crystallised decomp derivative dilute distilled dried eluted ester ethanol ether ethyl acetate evaporated experimental extracted filtered fluorine Found fraction galactose gave ginkgetin give glycosides heated hydride hydrochloric hydrogen hydrolysis infrared spectrum iodide isolated isomer ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed magnetic methyl glycosides mixed m. p. mixture mole molecular molecule needles nitrogen obtained oxidation perchlorate peroxide phenol polymers polysaccharide potassium precipitate prepared protons pyridine reaction reduced refluxed requires residue room temperature saturated sodium hydroxide solution solvent solvolysis spectra structure sugars sulphuric Table triethyl phosphite values yellow yield