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ethereal extract was dried over potassium carbonate, after being washed with water. Removal of the solvent in vacuo and distillation of the residue through a ...

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THE STRUCTURE OF PYRETBROLONE. 1777. [CONTRIBUTION. FROM DIVISION OF ... UNITED STATES DEPARTMENT OF AGRICULTURE]. Constituents of ...

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Here, one attempts to postulate that the coupling of the. C-2 proton (in I) to the radical is equivalent to that of C-3 proton(s) (in II and 111) and that of the C-4 ...

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reaction technique with cesium fluoride will be of considerable value in overcoming some of the dif- ficulties previously encountered in bringing about reactions ...

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Condi- tions of synthesis suggest that CsFlo' is a bi- cyclohexane and that C8C14Fs2 and C8F1z3 are tri- cyclooctanes as indicated by the formulas. F. F. F. F e1.

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Gulland and Holiday2 reported that the ultra- violet absorption spectrum of 3,7-dimethylxan- thine (I) showed only one band in acid or alkaline solution and, from ...

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Jul 10, 2012 - Oligosaccharide synthesis is hindered by the need for multiple steps as well as numerous selective protections and deprotections. Herein we ...

Notes- Synthesis of L-Valyl-L-tryosyl-L-tyrosyl-Lisoleucyl-L-histidyl-L

Notes- Synthesis of L-Valyl-L-tryosyl-L-tyrosyl-Lisoleucyl-L-histidyl-L-prolyl-L-phenylalanine Methyl Ester Dihydrochloride. Edward Walton, John Rodin, Charles ...

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May 13, 2013 - Metastable zone width data for primary nucleation of both salts were ...... Takano , K.; Gani , R.; Ishikawa , T.; Kolar , P. Conceptual design and ...

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