O-methoxybenzaldehyde

Apejuwe kukuru:

Lati salicylaldehyde nipasẹ iṣesi methylation pẹlu dimethyl sulfate.Illa 3kg ti iṣuu soda hydroxide sinu ojutu olomi 30%, ṣafikun 12.2kg salicylaldehyde ati 80L ti omi labẹ gbigbe, ati ooru si farabale.Laiyara ṣafikun 12.9kg ti dimethyl sulfate, jẹ ki ojutu ifasẹyin pada fun bii 3h lẹhin fifi kun, tẹsiwaju lati reflux fun 2-3h ni atẹle Iwe-kemikali…


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Orukọ Kannada:o-methoxybenzaldehyde

Orukọ miiran:o-methoxybenzaldehyde;2-methoxybenzaldehyde;2-anisaldehyde;anisaldehyde;o-methoxybenzaldehyde;salicadehyde methyl ether;anisaldehyde;salicylaldehyde methyl ether

Ilana molikula:C8H8O2

Ìwúwo molikula:136.15

Nọmba System

Nọmba CAS:135-02-4

EINECS:205-171-7

koodu HS:29124900

Imọ paramita

Irisi: kirisita prismatic ti ko ni awọ

Mimọ: ≥98.0%

Ojuami yo: 39°C

Gbigbe ojuami: 238 ° C, 70-75 ° C / 0.2kPa

Ìwọ̀n ìbátan: 1.1326 (20/4°C)

Atọka itọka: 1.5597

Filasi ojuami: 117°C

Solubility: tiotuka ninu oti, ether, benzene, insoluble ninu omi

Ọna iṣelọpọ

Lati salicylaldehyde nipasẹ iṣesi methylation pẹlu dimethyl sulfate.Illa 3kg ti iṣuu soda hydroxide sinu ojutu olomi 30%, ṣafikun 12.2kg salicylaldehyde ati 80L ti omi labẹ gbigbe, ati ooru si farabale.Laiyara fi 12.9kg ti dimethyl sulfate, jẹ ki ojutu ifasẹyin pada fun bii 3h lẹhin fifi kun, tẹsiwaju lati reflux fun 2-3h wọnyi Kemikali, tutu Layer epo, wẹ pẹlu 5% iṣuu soda hydroxide, lẹhinna wẹ pẹlu omi si pH 8 , fi Anhydrous potasiomu kaboneti ti gbẹ.Lẹhin ti sisẹ jade ni desiccant, distillation labẹ idinku titẹ, gbigba distillate ni 120 ° C (2.0kPa), ti o jẹ o-methoxybenzaldehyde.Idahun methylation tun le ṣee ṣe ni toluene olomi, pẹlu ikore ti 60%.

Idi

Methoxybenzaldehyde jẹ agbedemeji ni iṣelọpọ Organic, ti a lo ninu iṣelọpọ awọn turari ati awọn oogun.O-methoxybenformaldehyde le ṣee lo ni iṣelọpọ.O-Methoxybenzaldehyde le ṣee lo lati ṣe agbejade oogun adrenergic Chuankening.


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