Journal of the Chemical SocietyThe Society., 1951 |
From inside the book
Results 1-3 of 79
Page 62
... potassium hydroxide ( 2.0 g . ) in ethyl alcohol ( 25 ml . ) for 12 hours at 140 ° , gave a 74 % yield of pentafluoroethane . Reaction with Potassium Hydroxide in Acetone and Ether . - Potassium hydroxide ( 3.5 g . ) was shaken with ...
... potassium hydroxide ( 2.0 g . ) in ethyl alcohol ( 25 ml . ) for 12 hours at 140 ° , gave a 74 % yield of pentafluoroethane . Reaction with Potassium Hydroxide in Acetone and Ether . - Potassium hydroxide ( 3.5 g . ) was shaken with ...
Page 192
... Potassium - Graphite . - Potassium metal ( B.D.H. ) was used as a starting material . Before use it was filtered from oxide and distilled twice in a Pyrex vessel . These distillations were conducted at a low temperature to prevent the ...
... Potassium - Graphite . - Potassium metal ( B.D.H. ) was used as a starting material . Before use it was filtered from oxide and distilled twice in a Pyrex vessel . These distillations were conducted at a low temperature to prevent the ...
Page 799
... potassium tetrafluoro - oxychromate ( v ) , KCrOF , remains . This substance is also produced by fluorination of potassium dichromate with bromine trifluoride , five - sevenths of the oxygen initially present being eliminated . It is ...
... potassium tetrafluoro - oxychromate ( v ) , KCrOF , remains . This substance is also produced by fluorination of potassium dichromate with bromine trifluoride , five - sevenths of the oxygen initially present being eliminated . It is ...
Contents
Synthesis of 8Substituted Pteridine Derivatives | 3 |
A Contribution to the Chemistry of the Sesquiterpene Humulene | 22 |
Studies in Coordination Chemistry Part VII Complexes of Univalent Copper | 38 |
72 other sections not shown
Other editions - View all
Common terms and phrases
absorption acetic anhydride acetone acridine added alcohol alkaline Amer anhydride atoms benzene boiling bromine Calc carbinol carbon cations cell Chem chloroform colourless complex compound concentration constant crystallised crystals curve D.Sc decomp decomposition derivatives diamidide dilute dissolved distilled dried electrode equation ester ethanol ether ethyl alcohol evaporated EXPERIMENTAL extracted filtered formation formed Found fraction gave give m. p. glacial acetic acid Grignard reagent heated hydrochloric acid hydrogen chloride hydrogen phthalate hydrolysis iodide isolated ketone light petroleum b. p. m. p. and mixed method methyl minutes mixed m. p. mixture molecular molecules morolic needles obtained olefin oxidation peroxide phenyl phosphate phthalate potassium hydroxide precipitate prepared prisms pteridine pyridine reaction reduction refluxed requires residue room temperature salt saturated separated sodium hydroxide solid soluble solvent sulphate sulphuric acid Table titration trifluoroiodomethane values washed yellow yield