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Taber's reagent was created as an alternative to the Ohira-Bestmann reagent since its precursor, dimethyl 2-oxopropylphosphonate, is very expensive, which prevents large-scale reactions. Structurally, Taber's reagent is almost identical to the Ohira-Bestmann reagent, but with a bulkier acyl group ( phenyl group as opposed to methyl group ) on ...
Phenacyl bromide is the organic compound with the formula C 6 H 5 C(O)CH 2 Br. This colourless solid is a powerful lachrymator as well as a useful precursor to other organic compounds. It is prepared by bromination of acetophenone: [2] C 6 H 5 C(O)CH 3 + Br 2 → C 6 H 5 C(O)CH 2 Br + HBr. The compound was first reported in 1871. [3]
Bromoacetone is an organic compound with the formula C H 3 COCH 2 Br. It is a colorless liquid although impure samples appear yellow or even brown. It is a colorless liquid although impure samples appear yellow or even brown.
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.
The molar mass of atoms of an element is given by the relative atomic mass of the element multiplied by the molar mass constant, M u ≈ 1.000 000 × 10 −3 kg/mol ≈ 1 g/mol. For normal samples from Earth with typical isotope composition, the atomic weight can be approximated by the standard atomic weight [ 2 ] or the conventional atomic weight.
Acetophenone is formed as a byproduct of the cumene process, the industrial route for the synthesis of phenol and acetone.In the Hock rearrangement of isopropylbenzene hydroperoxide, migration of a methyl group rather than the phenyl group gives acetophenone and methanol as a result of an alternate rearrangement of the intermediate:
Note that the especially high molar values, as for paraffin, gasoline, water and ammonia, result from calculating specific heats in terms of moles of molecules. If specific heat is expressed per mole of atoms for these substances, none of the constant-volume values exceed, to any large extent, the theoretical Dulong–Petit limit of 25 J⋅mol ...
Molar mass: 157.010 g·mol −1 Appearance Colourless liquid Odor: Pleasant aromatic odor ... Solubility in water. 0.041 g/100 mL Solubility: soluble in diethyl ether ...