The Preparation of Optically Active Hydrazines I the Preparation of Dl P Trime
The Preparation of Optically Active Hydrazines I the Preparation of Dl P Trime
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In our eReader you can find the full English version of the book. Read The Preparation of Optically Active Hydrazines I the Preparation of Dl P Trime Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Preparation of Optically Active Hydrazines I the Preparation of Dl P Trime
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The next step was to reduce the un- saturated hydrocarbon to the saturated one. One hundred and twenty-five g. Of the crude trimethyl-phenyl^ethylene (boiling range 175-200) was treated, in a flask fitted with a wide reflux condenser, with 30 g. Of red phosphorus and 50 cc. Of a saturated solution of hydrogen iodide. The re- action mixture was heated to boiling and iodine added carefully in small portions through the condenser until fumes due to escaping hydrogen iodide were visible at the top ...of the condenser. The mixture was kept boiling until the color due to iodine in the hydrocarbon disappeared. The reaction mix- ture was now subjected to distillation. The distillate formed 2 layers of almost equal volume of which the lower was hydriodic acid, the upper almost pure hydrocarbon. The layers were separated, the hydriodic acid returned to the reaction flask, and again distilled. This process was re- peated as long as any hydrocarbon separated in the distillate.
The hydrocarbon was then washed with water and dil.
What to read after The Preparation of Optically Active Hydrazines I the Preparation of Dl P Trime?
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To quickly assess the difficulty of the text, read a short excerpt:
The next step was to reduce the un- saturated hydrocarbon to the saturated one. One hundred and twenty-five g. Of the crude trimethyl-phenyl^ethylene (boiling range 175-200) was treated, in a flask fitted with a wide reflux condenser, with 30 g. Of red phosphorus and 50 cc. Of a saturated solution of hydrogen iodide. The re- action mixture was heated to boiling and iodine added carefully in small portions through the condenser until fumes due to escaping hydrogen iodide were visible at the top ...of the condenser. The mixture was kept boiling until the color due to iodine in the hydrocarbon disappeared. The reaction mix- ture was now subjected to distillation. The distillate formed 2 layers of almost equal volume of which the lower was hydriodic acid, the upper almost pure hydrocarbon. The layers were separated, the hydriodic acid returned to the reaction flask, and again distilled. This process was re- peated as long as any hydrocarbon separated in the distillate.
The hydrocarbon was then washed with water and dil.
What to read after The Preparation of Optically Active Hydrazines I the Preparation of Dl P Trime?
You can find similar books in the "Read Also" column, or choose other free books by Charles H Milligan to read onlineMoreLess
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