Qhov txawv ntawm acetylacetoacetic ester thiab malonic ester yog acetylacetoacetic ester yog ethyl ester ntawm acetoacetic acid whereas malonic ester yog ester ntawm malonic acid.
Acetylacetoacetic ester thiab malonic ester yog cov ntsiab lus uas peb siv hauv cov organic chemistry vim lawv yog esters: organic compounds. Cov txheej txheem synthesis ntawm acetylacetoacetic ester zoo li cov synthesis ntawm malonic ester; Yog li, nws yog ib qho tseem ceeb kom paub qhov txawv ntawm lawv.
Acetylactoacetic Ester yog dab tsi?
Acetylacetoacetic ester yog ethyl ester ntawm acetoacetic acid. Nws cov ntsiab lus suav nrog ethyl acetoacetate, Acetoacetic acid ethyl ester, Ethyl acetylacetate, thiab lwm yam. Txawm li cas los xij, IUPAC lub npe ntawm cov organic compound no yog Ethyl 3-oxobutanoate. Cov tshuaj formula ntawm no compound yog C6H10O3 Nws tshwm li cov kua tsis muaj xim thiab cov molar mass ntawm cov compound yog 130.14 g / mol. Ntxiv mus, nws muaj ib tug fruity tsw uas zoo li tus ntxhiab ntawm rum.
Acetylacetoacetic ester tseem ceeb heev hauv kev tsim cov khoom sib txawv, suav nrog cov amino acids, tshuaj tua kab mob, tshuaj tiv thaiv kab mob, vitamin B complexes, thiab lwm yam. Tsis tas li ntawd, peb tuaj yeem siv cov tshuaj no hauv kev tsim cov dyes, lacquers, inks, Cov xim daj xim xim, naj hoom, thiab lwm yam. Tsis tas li ntawd, qhov sib xyaw no kuj tseem siv tau los ua tus neeg sawv cev vim nws cov ntxhiab tsw qab.
Thaum xav txog cov txheej txheem synthesis, peb tuaj yeem tsim Acetylacetoacetic ester los ntawm kev sib txuas ob ethyl acetate molecules, uas muab ib qho acetylacetoacetic molecule thiab ethanol. Cov tshuaj tiv thaiv yog raws li nram no:
Daim duab 01: Kev Tiv Thaiv rau Kev Tsim Khoom ntawm Acetylacetoacetic Ester
Malonic Ester yog dab tsi?
Malonic ester yog ester ntawm malonic acid. Lub npe systemic rau cov compound no yog propanedioic acid. Cov feem ntau sib xyaw ntawm pawg malonic esters yog diethyl malonate.
Daim duab 02: Malonic Ester Synthesis
Ntxiv mus, qhov sib xyaw no koom nrog cov txheej txheem malonic ester synthesis. Nyob rau hauv cov txheej txheem no, diethyl malonate los yog lwm ester compound ntawm malonic acid undergoes alkylation ntawm nws alpha carbon atom (rau ob pawg carbonyl) thiab ces hloov mus rau hauv ib tug hloov acetic acid molecule.
Qhov txawv ntawm Acetylacetoacetic Ester thiab Malonic Ester yog dab tsi?
Acetylacetoacetic ester thiab malonic ester tsis yog cov ntsiab lus ntau hauv cov organic chemistry vim lawv tsis tshua siv. Qhov sib txawv tseem ceeb ntawm acetylacetoacetic ester thiab malonic ester yog acetylacetoacetic ester yog ethyl ester ntawm acetoacetic acid, whereas malonic ester yog ester ntawm malonic acid.
Ntxiv mus, cov txheej txheem synthesis ntawm cov tshuaj sib xyaw ua ke zoo ib yam li cov txheej txheem synthesis. Yog li ntawd, nws yog ib qho tseem ceeb kom paub qhov txawv ntawm acetylacetoacetic ester thiab malonic ester. Cov txheej txheem acetylacetoacetic ester synthesis tsim cov ketones hloov thaum cov txheej txheem malonic ester synthesis tsim cov khoom sib txuas carboxylic acid. Lub npe IUPAC ntawm Acetylacetoacetic ester yog Ethyl 3-oxobutanoate thaum lub npe IUPAC ntawm malonic ester yog propanedioic acid.
Summary – Acetylacetoacetic Ester vs Malonic Ester
Cov ntsiab lus acetylacetoacetic ester thiab malonic ester tsis yog ntau ntau hauv cov organic chemistry vim lawv tsis tshua siv. Qhov sib txawv tseem ceeb ntawm acetylacetoacetic ester thiab malonic ester yog acetylacetoacetic ester yog ethyl ester ntawm acetoacetic acid whereas malonic ester yog ester ntawm malonic acid. Cov txheej txheem synthesis ntawm cov tshuaj sib xyaw ua ke zoo ib yam li cov txheej txheem synthesis; yog li ntawd nws yog ib qho tseem ceeb kom paub qhov txawv ntawm lawv.
