Journal of the Chemical Society, Part 1The Society., 1962 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Results 1-3 of 74
Page 555
... acetic acid . The product had m . p . 258-259 ° , [ a ] 238 -94.5 ° ( c 1 · 7 in acetic acid ) , — 209 ° ( c 0-24 in chloroform ) ( Found : C , 61.8 ; H , 9.2 ; O , 20-2 ; N , 8.8 ; S , 0 · 0 % ) . Isolation of Total Sporidesmolide ...
... acetic acid . The product had m . p . 258-259 ° , [ a ] 238 -94.5 ° ( c 1 · 7 in acetic acid ) , — 209 ° ( c 0-24 in chloroform ) ( Found : C , 61.8 ; H , 9.2 ; O , 20-2 ; N , 8.8 ; S , 0 · 0 % ) . Isolation of Total Sporidesmolide ...
Page 1253
... acetic acid ( 100 c.c. ) was added a saturated solution of hydrogen bromide in acetic acid ( 0 · 05 c.c. ) , followed by bromine ( 165 mg . ) in acetic acid ( 3 c.c. ) . After 3 min . the acid was removed at 15 ° in vacuo , and the ...
... acetic acid ( 100 c.c. ) was added a saturated solution of hydrogen bromide in acetic acid ( 0 · 05 c.c. ) , followed by bromine ( 165 mg . ) in acetic acid ( 3 c.c. ) . After 3 min . the acid was removed at 15 ° in vacuo , and the ...
Page 1449
... Carboxymethoxytriphenylacetic Acid . - Stannic chloride ( 3 ml . ) was added during 10 min . to a refluxing solution of benzilic acid ( 4 · 56 g . ) and phenoxyacetic acid ( 3 · 04 g . ) in dry benzene ( 25 ml . ) . The dark red mixture ...
... Carboxymethoxytriphenylacetic Acid . - Stannic chloride ( 3 ml . ) was added during 10 min . to a refluxing solution of benzilic acid ( 4 · 56 g . ) and phenoxyacetic acid ( 3 · 04 g . ) in dry benzene ( 25 ml . ) . The dark red mixture ...
Contents
NO PAGE | 1 |
NOTES | 62 |
The use of triethylamine in the preparation of NcarboxyLproline anhydride | 68 |
119 other sections not shown
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absorption acetic acid acetone added afforded alcohol alkali Amax Amer amylose anhydride aqueous solution atom benzene bromide buffer Calc carbon carbonyl CH₂ Chem chloride chloroform chromatography coefficients colourless complexes compound concentration constant containing crystallisation crystals decomposition derivative dilute distilled double bond dried eluted ester ethanol ethyl acetate evaporated experimental filtrate formation formed Found fraction gave give H₂O heated hydrazine hydrochloric acid hydrogen hydrolysis hydroxyl infrared infrared spectrum intermediate isolated isomerisation k₁ ketal ketone light petroleum b. p. m. p. and mixed malononitrile methyl mixed m. p. mixture mole molecule needles nitrogen nucleophilic obtained oxidation phenyl polymer potassium potassium hydroxide precipitate prepared present ratio reaction reagent reduction reflux requires residue room temperature sample sodium ethoxide sodium hydroxide solid solvent spectra structure Table terpyridine triethylamine ultraviolet values washed yellow yield