enol In A Sentence

We found 38 'enol' sentence examples to help you understand how to use enol in a sentence.

• The enamine-imine tautomerism may be considered analogous to the keto-enol tautomerism.
• The enol form seems stabilised by the alpha-hydroxy group though.
• There have been conflicting results on the ionization state of the intermediate, whether it exists as the enolate or enol.
• It is also used for preparation of enol ethers and related functional groups.
• Normally, the keto-enol tautomerization chemical equilibrium is highly thermodynamically driven, and at room temperature the equilibrium heavily favors the formation of the keto form.
• Keto-enol tautomerism is catalyzed by either acid or base.
• When the substituent on the other hand is phenyl ( not shown ) the phosphite has a preference for reaction with the acyl group leading to an ethyl enol ether.
• The formation of an enol is catalyzed by alpha carbon atom.
• It's difficult to find enol in a sentence.
• First, the exposed electrons of the C = C double bond of the enol are donated to a hydronium ion ( H 3 O + ).
• As a consequence, the double bond geometry in the silyl enol ether or allylsilane does not translate well into product stereochemistry.
• Similarly , using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 may be obtained.
• Wong suggests that the reaction mechanism of the ( S )-Cat catalyzed N-nitroso aldol reaction between nitrosobenzene and butanal proceeds via an enol intermediate and not via an enamine intermediate.
• It is stable and does show keto-enol tautomerism.
• Unusual case of a phenyl pyridyl enol.
• The cyclic carbonate ester is basically like a permanent " enol ester ".
• Nonetheless, the enol form is important for some reactions.
• First, D-luciferin is tautomerizes between the keto-enol form.
• Crystalline dimedone contains chains of molecules, in the enol form, linked by hydrogen bonds:.
• Keto-enol tautomerization typically strongly favors the keto tautomer, but an important exception is the case of 1, 3-diketones such as acetylacetone.
• Photo-induced keto-enol tautomerization is viable under atmospheric or stratospheric conditions.
• The enol form is shown above on the left.
• The newly formed oxide is then twice protonated to form the Schiff base, which then undergoes keto-enol tautomerization before an 4-hydroxyquinoline, the final product of the Conrad-Limpach synthesis.
• The enol or enolate ) followed by non-sterespecific reprotonation.
• Cyclic silyl enol ethers have been demonstrated to be viable substrates for regiocontrolled one-carbon ring contractions.
• In keto-enol tautomerism, thioenols interconvert with thioketones or thioaldehydes.
• Keto-enol tautomerizing of ethyl acetoacetate was studied by UV. It was conformed that the content of enol ethyl acetoacetate decreased with the increasing polarity of solvents.
• The second is the reaction of an enol acetate with methyllithium.
• The Co 2(CO) 8 catalyzed reaction of pentafluorostyrene with triethylsilane and carbon monoxide gives a perfluorophenyl enol silyl ether as a mixture of regio- and stereo-isomers.
• The deprotonation of the enol with a strong base produces an enolate, which is a powerful nucleophile and can alkylate electrophiles such as other carbonyls.
• In the following keto-enol tautomerization, the product enol is more stable than the original ketone even though the ketone contains an aromatic benzene moiety ( blue ).
• In the scheme shown, the enol or enolate of a methyl ketone reacts with an aldehyde.
• This test was not specific to acetylsalicylic acid but would occur in the presence of any phenol or enol.
• The C20 carbon atom was then introduced by acetic anhydride to form enol acetate "'21 "'and the free aminoketone "'22 "'was obtained by hydrolysis with hydrochloric acid.
• It was originally proposed that a hydrogen bond between the uracil and guanidine groups in the enol tautomer would make this the dominant form.
• Dihydrocodeinone enol acetate is a controlled substance.
• This ketone will prefer to exist in its enol tautomer in solution.
• Dialkyl boron chloride ( R2BCL ) with tertiary amine react with ketones to form an enol borinate.