2019 Boleng bo Phahameng Boleng bo Phahameng 93-02-7 2, 5-Dimethoxybenzaldehyde CAS 93 02 7
Liphehello tsa rona tsa ka ho sa feleng ke boikutlo ba "ho ela hloko 'maraka, ho nka moetlo, ho nka saense" hammoho le khopolo ea "boleng ba motheo, ho ba le tumelo ho tsa pele le tsamaiso e tsoetseng pele" bakeng sa 2019 Quality High Quality 93-02-72, 5-Dimethoxybenzaldehyde CAS 93 02 7, Ka hona, re ka kopana le lipotso tse fapaneng ho tsoa ho bareki ba fapaneng. U lokela ho fumana leqephe la sebaka sa rona sa marang-rang ho sheba lintlha tse eketsehileng ho tsoa lihlahisoa tsa rona.
Liphehello tsa rona tsa ka ho sa feleng ke boikutlo ba "ho ela hloko 'maraka, ho nka moetlo, ho nka saense" hammoho le khopolo ea "boleng ba motheo, ho ba le tumelo ea pele le tsamaiso e tsoetseng pele"CAS 93 02 7 le 2 5-Dimethoxybenzaldehyde, Ho na le mefuta e mengata ea thepa e fapaneng eo u ka e khethang, u ka khona ho reka hang-hang mona. 'Me litaelo tse hlophisitsoeng li amoheleha. Khoebo ea 'nete ke ho fumana maemo a win-win, haeba ho khonahala, re ka thabela ho fana ka tšehetso e eketsehileng bakeng sa bareki. Amohela bareki bohle ba molemo ho buisana le rona lintlha tsa thepa !!
2,5-Dimethoxybenzaldehyde ke phofo e khanyang ea kristale e mosehla e boima ba molek'hule ea 166.18 le ntlha e belang ea 146 ° C. E qhibiliha ka har'a metsoako ea tlhaho e kang ethanol le ether. E sebelisoa haholo-holo e le setsi sa meriana.
| ITEM | TS'ELISO |
| Ponahalo | Boputsoa ho isa ho bosehla bo tiileng |
| NMR | Latela |
| Bohloeki | >98% |
| Sebaka se qhibilihang | 46-48 °C (hote.) |
| Likahare tsa metsi | <0.5% |
Ntle le ho ba oxidized kapa ho fokotsoa ho 2,5-dimethoxybenzoic acid, benzonitrile kapa joala ba benzyl,2,5-dimethoxybenzaldehydeka boeona e boetse e na le boleng bo ikhethang ba kopo. Ka ho sebetsana le lintho tse nang le mefuta e fapaneng ea lihlopha tse sebetsang, limolek'hule tsa lithethefatsi tse nang le mekhoa e fapaneng le liphello tse fapaneng li ka fumanoa. Boloetse ba Parkinson (PD) ke lefu le tloaelehileng la neurodegenerative, 'me matšoao a lona a mantlha a kenyelletsa ho thothomela ha mesifa, ho satalla, mathata a ho sisinyeha, boemo ba 'mele le mathata a ho leka-lekanya ho sisinyeha. Ntlafatso e eketsehileng e tla boela e lebise tlhokomelo, temoho, mathata a ho hopola le 'dementia' e totobetseng. Hajoale, kalafo ea PD e kenyelletsa haholo kalafo ea lithethefatsi, kalafo ea opereishene le kalafo ea lefutso. Ka phekolo ea lithethefatsi, phenamidine e fumanoe e e-na le phello e ntle ho PD, e nang le chefo e tlaase le polokeho e ntle, 'me motsoako oa phenamidine o hloka tšebeliso ea 2,5-dimethoxybenzaldehyde e le ntho e qalang.
Ho latela mokhoa oa synthesis o tlalehiloeng libukeng,2,5-dimethoxybenzaldehydee fumanoa haholo-holo ka ho arabela 1,4-dimethoxybenzene e nang le formylation agent. Lisebelisoa tsa formylation li kenyelletsa (1) motsoako oa 1,1-dichloromethyl ether le titanium tetrachloride; (2) motsoako oa N, N-dimethylformamide le phosphorus oxychloride, motsoako oa N, N-dimethylformamide le oxalyl chloride; (3) motsoako oa N, N-dimethylformamide le thionyl chloride kapa motsoako oa urotropine le magnesium chloride. Leha ho le joalo, mekhoa ena e hloka tšebeliso ea tekanyo e ngata ea titanium tetrachloride, phosphorus oxychloride kapa thionyl chloride. Li-reagents tsena ha li tsitse ebile li senyeha habonolo, 'me palo e kholo ea khase ea hydrochloric acid e lokolloa nakong ea karabelo, e seng botsoalle ba tikoloho ebile e na le litlhoko tse phahameng bakeng sa ts'ebetso ea ts'ebetso.
Ho hlahisitsoe mokhoa o mocha oa ho kopanya. Mokhoa ona o sebelisa 1,4-dimethoxybenzene le formaldehyde e le lisebelisoa tse tala, 'me o etsa photooxidative coupling reaction ka pel'a oksijene le catalyst tlas'a mahlaseli a khanyang a maputsoa ho kopanya hantle 2,5-dimethoxybenzaldehyde. Mokhoa ona o sebelisa oksijene kapa moea e le oxidant, ha o hlahise khase e nang le asiti, hape o baballa tikoloho. Ho phaella moo, mokhoa ona o sebelisa cobalt e theko e tlaase e le mokelikeli, o theko e tlaase ebile o loketse ts'ebeliso ea indasteri.
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Liphehello tsa rona tsa ka ho sa feleng ke boikutlo ba "ho ela hloko 'maraka, ho nka moetlo, ho nka saense" hammoho le khopolo ea "boleng ba motheo, ho ba le tumelo ho tsa pele le tsamaiso e tsoetseng pele" bakeng sa 2019 Quality High Quality 93-02-72, 5-Dimethoxybenzaldehyde CAS 93 02 7, Ka hona, re ka kopana le lipotso tse fapaneng ho tsoa ho bareki ba fapaneng. U lokela ho fumana leqephe la sebaka sa rona sa marang-rang ho sheba lintlha tse eketsehileng ho tsoa lihlahisoa tsa rona.
2019 Boleng bo phahamengCAS 93 02 7 le 2 5-Dimethoxybenzaldehyde, Ho na le mefuta e mengata ea thepa e fapaneng eo u ka e khethang, u ka khona ho reka hang-hang mona. 'Me litaelo tse hlophisitsoeng li amoheleha. Khoebo ea 'nete ke ho fumana maemo a win-win, haeba ho khonahala, re ka thabela ho fana ka tšehetso e eketsehileng bakeng sa bareki. Amohela bareki bohle ba molemo ho buisana le rona lintlha tsa thepa !!
