2-jodo-4-metüülpropiofenooni süntees mikrolaine abil

StarWars

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valmistamine 2-jodo-4-metüülpropiofenoon Nn. joodoketoon Asetage keeduklaasi 4-metüülpropiofenoon 150ml(148,90g) N-iodosuktsinimiid 270g p-tulensulfoonhappe monohüdraat 228g Katke klaasi mitte tihedalt klaasist kaanega. Pange see mikrolaineahju ja seadistage see 700w peale. Kiirgame 3 korda 1 minuti jooksul 30 sekundi pikkuste vaheaegadega. Ootame, kuni segu jahtub toatemperatuurini. Valame segule 300 ml vett, võimalusel koos jääga, ja segame põhjalikult läbi. Peaaegu kohe moodustub jodoketoon Filtreerime filtril ja veel 2 või 3 korda Peseme veega Kristalliseerumine 1g jodoketooni lisame 0,5ml või 0,7ml dcm segatud kanistris ja paneme sügavkülma -20 üleöö Pärast öö filtril ja seejärel kuivatame. Saagis 210g kuni 215g puhast jodoketooni.
 

ADATA

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Kas N-iodosuktsinimiidi on võimalik asendada see kraam on kallis
 

StarWars

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See on väga kiire viis teha 2i4m ja ei pea olema laboriseadmed
 

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See meetod on varemgi avaldatud, kuid kuna N-iodosuktsinimiidi
Kallis ja ei ole lihtne osta, nii et ei proovinud seda

Sooviksin teada, kas on mingeid alternatiive
N-iodosuktsinimiid
 

StarWars

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N-bromosuktsinimiid siis u tehtud 2bromo4metüülpropiofenooni
 

hustla

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Kui kaua ma peaksin mikrolaineahjus küpsetama? 3 minutit, nagu te kirjutasite? o_O
 

StarWars

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tak 3times 1min wait iga 30sek järel
 

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StarWars

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Loomulikult
 

dodobird

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@StarWars bro have u used this method with success?

Any video on this method
 

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kas olete kunagi teinud seda
Aeg on sama 1 minut ja 30 sekundit 3 korda?
 

StarWars

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U saab ka teha nagu see
 

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ADATA

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4-metüülpropiofenooni broomimine
Kasutamise ajal ei reageeri
Ajastus on otsas?
 

Blammo

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Any replacement for PTSA?
 

w2x3f5

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something is missing in this reaction, especially considering that the acid is solid and N-iodosuccinimide
 
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