4'-metüülpropiofenooni süntees tolueenist Friedel-Craftsi reaktsiooni abil (1kg+ skaala)

CryoThio

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Kas on olemas teisi Lewis'i happeid, mida saab kasutada 4mmc sünteesimiseks tolueenist?

Alumiiniumkloriidi on minu jaoks raske saada.
 

AgamemnonFromTroy

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Jah, näiteks raudkloriid (FeCl3) ja tsinkkloriid (ZnCl3), kuid reaktsioon toimub aeglasemalt võrreldes alumiiniumkloriidi kasutamisega.
 

CryoThio

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Tsink- ja raudkloriidid on veevabad?

Kumb neist kahest annab kiirema reaktsiooni?
 

AgamemnonFromTroy

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Jah, nad on mõlemad veevabad ja neist kahest raud(iii)kloriid (FeCl3) toimiks kõige paremini
 

Germanium

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Kuidas sünteesida 3-metüülpropiofenooni?
 

oneimone

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yo. väikesünteesi puhul on substraatide suhe sama 3:1:1,5 või midagi muutub?
 

TucoSalamanca.

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selles sünteesis on mul ainult küttekeha õhupallisegisti, kas ma ei saa kasutada veevanni ja mitu kraadi ei tohiks ületada, kui lisame propinoolkloriidi
 

TucoSalamanca.

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See süntees on AlCl3.6H2O, kas ma saan seda kasutada katalüsaatorina?
 

CryoThio

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Olen üsna kindel, et tegemist peab olema veevaba alumiiniumkloriidiga.

Ei mingit vett. Probleem on selles, et alumiiniumkloriidi ei saa kuivatada, kui seda kuumutada, iirc.

Kontrollige seda siiski veelkord
 

TucoSalamanca.

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Kasutan selles sünteesis tsinkkloriidi Mitu g tsinkkloriidi peaksin selles sünteesis kasutama?
 

G.Patton

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Sama molaarsuhe nagu AlCl3 puhul
 

NovicechemistEU

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**Propionyl Chloride (CH₃CH₂COCl):**

* Molar mass: 109.5 g/mol
* Number of moles: 1000 g / 109.5 g/mol ≈ 9.13 mol

Toluene (C₇H₈):** **2.

* Molar mass: 92 g/mol
* Density (25°C): ≈ 0.87 g/mL
* Mass: 3000 mL * 0.87 g/mL = 2610 g
* Number of moles: 2610 g / 92 g/mol ≈ 28.4 mol

**Aluminum Chloride (AlCl₃):**3.

* Molar mass: 133.5 g/mol
* Number of moles: 1500 g / 133.5 g/mol ≈ 11.2 mol


**Mole Ratios:**

Now, let's determine the mole ratios by proportioning the mole numbers to each other. Let's ratio according to the smallest number of moles (here propionyl chloride):

** **Propionyl Chloride : Toluene : AlCl₃**
* **9.13 mol : 28.4 mol : 11.2 mol**
* **Molar ratios - 1 : 3.11 : 1.23**

This implies a ratio of approximately 1:3:1.
 

NovicechemistEU

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Boiling points of toluene and 4'-methylpropiophenone under vacuum damper pressure.
20 mmHg.
Toluene 16.55 degrees.
4'-methylpropiophenone 123-126 degrees
 
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