3,4-Dihydro-7-hydroxy-2(1H)-quinolinone CAS 22246-18-0 tuaj yeem siv rau hauv cov organic synthesis,
Ntseeg tshuaj yog ib tug ua Tuam Tshoj 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone CAS 22246-18-0 chaw tsim tshuaj paus, tsum thiab exporter. Ua raws li kev ua raws li cov khoom lag luam zoo, kom peb 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone CAS 22246-18-0 tau txaus siab los ntawm ntau tus neeg siv khoom. Shandong Ntseeg
Peb zoo ntawm qhov zoo ntawm cov khoom siv tshuaj lom neeg hauv thaj chaw. Peb cov khoom raug xa tawm mus rau Tebchaws Europe, Tebchaws Meskas, Nyiv, Kaus Lim Qab Teb, Sab Hnub Tuaj Asia thiab lwm lub tebchaws thiab cheeb tsam. Nrog rau kev tshawb fawb thiab thev naus laus zis raws li kev qhia, kev ncaj ncees raws li lub hauv paus, zoo li lub neej, thiab tso siab rau lub tswv yim kev lag luam ntawm kev tsim kho tshiab thiab kev loj hlob, peb cia siab tias yuav tsim kev sib pauv thiab kev koom tes nrog cov neeg siv khoom hauv tsev thiab txawv teb chaws los tsim kev vam meej!
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Khoom npe |
3,4-Dihydro-7-hydroxy-2(1H)-quinolinone |
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Formula |
C9H9NO2 |
Molecular Luj |
163.17 |
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CAS Nr. |
22246-18-0 |
Ntau |
500 KG |
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Cov khoom |
Specification |
Cov txiaj ntsig |
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Qhov tshwm sim |
Pleev daj |
Ua raws |
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Assay |
99% | 99.28% |
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TEEB MEEM |
Qhov tshwm sim ua raws li tus qauv |
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Melting point 233-237 ° C
Kub taw tes 403.7 ± 45.0 ° C (Predicted)
Qhov ceev 1.282 ± 0.06g / cm3 (Predicted)
Cia tej yam kev mob Sealedindry, RoomTemperature
Solubility DMSO (me ntsis), Methanol (me ntsis)
Morphology Khoom
Acidity coefficient (pKa) 9.60 ± 0.20 (Predicted)
Xim PaleYellow
1) 3-chloro-N-(3-hydroxyphenyl) propionamide 20mmol m-aminophenol tau yaj hauv dichloromethane, 20mmol triethylamine tau ntxiv dropwise, 22mmol 3-chloropropionyl chloride tau ntxiv dropwise nrog nplawm ntawm chav tsev kub, thiab qhov poob tiav lawm, do. nyob rau hauv chav tsev kub rau 10 h. Cov dej deionized tau ntxuav peb zaug, thiab cov theem ntawm cov organic tau sib cais los ntawm kem chromatography muab 68% 3-chloro-N-(3-hydroxyphenyl)propanamide. (2) 3,4-Dihydro-7-hydroxy-2(1H)-Chemicalbook Quinolinone Dimethylacetamide tau muab tso rau hauv lub khob peb-caj dab, reacted ntawm 150 ° C rau 5 teev, maj mam ntxiv dropwise 20 mL dej khov kom txias, txuas ntxiv kom sov rau 90 ° C thiab nplawm rau 1 teev, txias rau hauv chav tsev kub, lim kom tau cov khoom liab, thiab kem chromatography tau 88% ntawm 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone.
