Acetylation between alcohol and benzoyl oxide was carried out using ZnBr2 as a Lewis acid catalyst in solvent-free condition. Some structures were characterized by NMR and IR.
中文意思: 以溴化锌为催化剂,在无溶剂条件下实现了醇与苯甲酸酐的酰化反应,部分产物经NMR和IR表征。
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1
Acerola cherries, in their unripened stage, offer the highest levels of vitamin C ?25 times greater than oranges on a weight-for-weight basis.
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2
Acetaldehyde(ethanol) An aldehyde, CH3CHO, that is an intermediate in the conversion of pyruvic acid to ethanol during the final stage of glycol sis during anaerobic respiration in plants.
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3
Acetaminophen is available in liquid, chewable and suppository forms for children, but it\'s often easiest to give medications in liquid form.
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4
Acetic Term applied to wines which have undergone acetification and to the odour of such wines.
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5
Acetyl CoA plays a key role in metabolism, being a precursor of the KREBS CYCLE and GLYOXYLATE CYCLE, and the starting point for synthesis of fatty acids, terpenes, and some amino acids.
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6
Acetylation between alcohol and benzoyl oxide was carried out using ZnBr2 as a Lewis acid catalyst in solvent-free condition. Some structures were characterized by NMR and IR.
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7
Acetylsalicylic acid has been synthesized using salicylic acid and acetic anhydride with microwave radiation catalyzed by aluminum chloride. The effecting factors of this method were also discussed.
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8
Achenes 8-ribbed, white pilose; pappus scabrous, 10-12 mm long, connate at base.
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9
Acheson is not concordant with the Congress either, because his personality and the confrontation between Republican and Democratic in the Congress.
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10
Achievable . Your goals should be realistic, based on the material and volunteer resources you have or can expect to have, within the time frame established for your district's goals.
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Achievable means that your goals should be realistic, based on the materials and resources you have or can expect to have, within the time frame established for your district's goals.
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