BENTSYYLISYANİD (FENYYLIASETONİTRİL) AMFETAMİNSULFAATIKSI.

ossi

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hei,

voiko asiantuntija kenties kirjoittaa synteesireitin alla luetelluilla aineilla?
se soveltuu hyvin isoon mittakaavaan, ja uskon, että se on mielenkiintoinen monille ihmisille täällä

kaikki reagenssit ovat halpoja ja helposti saatavissa

  • bentsyylisyanidi (fenyyliasetonitriili)
  • rikkihappo
  • lyijyasetaattitrihydraatti (tai muut vaihtoehdot)
  • formamidi
  • muurahaishappo
  • HCİ
  • Natriumhydroksidi

kiitos etukäteen
ossi
 

Hank Schrader

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Helpoin tapa käyttää fenyyliasetonitriiliä on hankkia APAAN. Fenyyliasetonitriili sinun täytyy refluksoida metanolissa natriummetylaatin kanssa, 6 tunnin refluksin jälkeen sinun täytyy ajaa pois kaikki metanoli ja liuottaa kaikki saostuma veteen ja lisätä jääetikkahappoa jäähdytyksen aikana. Saostunut APAAN pestiin useita kertoja vedellä ja kiteytettiin uudelleen metanoliin. Tuloksena syntynyt valkoinen kide on hydrolysoitava hapossa (fosfori- tai suolahapossa), jolloin saadaan 860 ml P2P:tä 1 litrasta fenyyliasetonitriiliä.

Pyrolyysiprosessi, jonka haluat joka tapauksessa tehdä, vaatii fenyylietikkahappoa, ja sen saamiseksi sinun on joka tapauksessa hydrolysoitava bentsyylisyanidia.
En menisi haluamallasi menetelmällä, vaan käyttäisin APAANia.
Tosin meidän aikanamme on olemassa yksinkertaisempia menetelmiä kuin APAAN ja fenyylietikkasuolojen pyrrolyysi ...

Nähdäkseni haluatte käyttää leukartin reaktiota amfetamiinin valmistukseen.
Reaktio vie paljon aikaa, ja jos haluat tehdä suuren tuotannon, niin mene toista tietä.
Katso matalapainehydratointi metallikatalyyttien avulla.

Leukartilla voidaan tuottaa paljon tuotetta, mutta reaktio vaatii ymmärrystä ja paljon aikaa.
Ja pääsääntöisesti aloittelijan tuotos ei ylitä 50 % moolin massan mukaan ketonia kohden pitkään aikaan.
 

ossi

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kiitos yksityiskohtaisesta vastauksesta.
Ongelmana on, että se, mitä maallikkona voi itse opettaa, on rajallista.
maassa, jossa olen tällä hetkellä, näitä aineita käytetään massatuotannossa. mutta kukaan ei opeta sitä täällä.
etsin leuckart-menetelmää suureen mittakaavaan aineilla, joita voi myös saada. Hallitsisin tämän menetelmän.
Saan helposti edellä mainitsemani materiaalit.
ja 50% on erittäin hyvä minulle.
 

yuiopjkl

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Löysin tämän

 

Jordan Belfort

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Korvaa THF nitrometaanilla ja metanoli 50/50 %:lla aezotroopilla.


Joko otat sopivan liuottimen, THF:n tai nitrometaanin (mutta sinun on tarkistettava, että se ei ole kovaa metyyliamiinia tuottavaa), ja lisäät magnesiumlastuja ja annat niiden reagoida jodimetaanin kanssa, kunnes magnesiumlastut liukenevat kokonaan.
Näin saadaan vain metyylimagnesiumjodidia.

Nyt sinulla on 1 potin synteesi metamfetamiiniksi ilman metyyliamiinia ja voit tislata kaikki liuottimet ja käyttää uudelleen.

Tämä onepot-menetelmä, kuten Hg/Al Ga/Al, on todennäköisesti liian eksoterminen ja aiheuttaa vitun sotkun. Ehdotan, että tiputat hitaasti ketonia siihen.

Minun on kerrottava, että tämä suhde toimii BMK:lle ultraäänellä.
 

Jordan Belfort

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Voi halutessasi nostaa grignardin pH:n puhtaalla kaustisella soodalla arvoon 8-9.
 

caesare.robot

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Q on myös kiinnostunut, jos jollakulla on myönteinen vastaus tähän menetelmään ...
 

yuiopjkl

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En ole kokeillut sitä.
Kysy asiantuntijoilta. Heillä voi olla tietoa ja neuvoja

@G.Patton @HIGGS BOSSON
 

Hank Schrader

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Tämä on hyödytön synteesi. Grignard-reagenssi, valtavat määrät liuottimia. Tämä on jos vain tieteellistä mielenkiintoa, niin voit tehdä sen 1 kerran ei enää. Kaupalliseen synteesiin ei ole mitään arvoa.

Kun on bentsyylisyanidia, on erittäin helppoa saada fenyylietikkahappoa, ja teollisessa mittakaavassa tehdä suolojen pyrrolyysi, saanto ei ole suurin, mutta erittäin kätevä. Lopputuotteesta saadaan kolmen ketoniseoksen seos, joka on helppo fraktioida.
 

Jordan Belfort

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Grignard-reagenssit ovat todella hyviä. Varsinkin jos siihen lisätään myös sinkkikloridia.

Jos käytät ultraääntä, et tarvitse vedettömiä reagensseja.
 

ossi

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Olisin äärettömän kiitollinen, jos kirjoittaisit minulle synteesin näillä reagensseilla. mutta amatöörille :)
40%-50% saanto on ok @Hank Schrader
 

ossi

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Anteeksi, olen varmaan jättänyt sen huomiotta, vaikka luen paljon täältä.
 

FQ-BB

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List of reagents

- Use 12.65 kg of benzyl cyanide.
- Require 20 liters of concentrated sulfuric acid (H₂SO₄, 96%).
- Prepare 30 liters of deionized water.
- Use 18 liters of formamide.
- Require 12 liters of formic acid (HCOOH, 99%).
- Prepare 5 kg of sodium carbonate (Na₂CO₃).
- Use 5 liters of hydrochloric acid (HCl, 37%).
- Require 2 kg of sodium hydroxide (NaOH).
- Use 50 liters of dichloromethane (CH₂Cl₂).
- Optionally use 2 kg of lead acetate trihydrate (Pb(C₂H₃O₂)₂·3H₂O).

List of utensils and tools

- Use a 50-100 liter stainless steel or glass-lined reactor with a mechanical stirrer and equipped with temperature control (±2°C).
- Equip an industrial-grade condenser with a cooling circulation system.
- Equip an industrial-grade liquid separation device with a capacity of ≥10 liters.
- Install a large distillation tower with a condensing device and a collecting device with a capacity of ≥20 liters.
- Use an industrial Buchner funnel or filter press for solid-liquid separation.
- Prepare a corrosion-resistant storage tank with a capacity of ≥50 liters.
- Prepare a measuring cylinder (2 liters, 10 liters) and a beaker (500 ml to 5 liters).
- Use an industrial stirring device to ensure uniform mixing.
- Prepare a vacuum pump for vacuum distillation.
- Ensure that there are explosion-proof equipment, ventilation systems and fire extinguishers.
- Provide protective equipment such as protective gloves, goggles, gas masks and acid-proof aprons.

Step 1: Hydrolysis of benzyl cyanide to produce acetophenone

- Add 12.65 kg of benzyl cyanide and 30 liters of deionized water to the reactor, and start the agitator to make the solution uniform.
- Slowly add 20 liters of concentrated sulfuric acid in batches, and control the reaction temperature at 30-50°C to prevent violent exotherm.
- Heat the reaction mixture to 150°C for 1-2 hours and observe the color change from transparent to light brown.
- After cooling to room temperature, separate the acetophenone organic layer with a separatory funnel.
- Collect the 202°C fraction by distillation to obtain purified acetophenone.

Step 2: Acetophenone generates N-methylphenylethylamine through Leuckart reaction

- Add 13.05 kg of acetophenone and 18 liters of formamide to the reactor and start the agitator to mix evenly.
- Slowly add 12 liters of formic acid to ensure that the reactants are fully mixed.
- Heat to 120-140°C and maintain for 3-5 hours. The released gas is discharged through the condenser.
- After the reaction is completed, cool to room temperature and neutralize the mixture in a saturated solution of about 5 kg of sodium carbonate.
- Extract the reaction solution with 50 liters of dichloromethane in 5 times, dry and distill, collect the 194°C fraction, and obtain purified N-methylphenylethylamine.

Step 3: Post-treatment and purification

- Dissolve the purified N-methylphenylethylamine in a small amount of water and acidify to pH about 1 with 5 liters of hydrochloric acid to form the hydrochloride.
- If there are impurities, add 2 kg of lead acetate trihydrate, stir and filter the precipitate.
- Release the free N-methylphenylethylamine with 2 kg of sodium hydroxide solution, then extract it again with dichloromethane, dry and distill.

I reiterate that I am only a hobbyist and do not sell any precursors or substances. Anyone violating escrow transactions is a scammer.

Respect to BB administrators. Salute 🫡
 

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Is there a reward?😁
 

FQ-BB

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I'll challenge
 

FQ-BB

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List of reagents

- Use 12.65 kg of benzyl cyanide.
- Require 20 liters of concentrated sulfuric acid (H₂SO₄, 96%).
- Prepare 30 liters of deionized water.
- Use 18 liters of formamide.
- Require 12 liters of formic acid (HCOOH, 99%).
- Prepare 5 kg of sodium carbonate (Na₂CO₃).
- Use 5 liters of hydrochloric acid (HCl, 37%).
- Require 2 kg of sodium hydroxide (NaOH).
- Use 50 liters of dichloromethane (CH₂Cl₂).
- Optionally use 2 kg of lead acetate trihydrate (Pb(C₂H₃O₂)₂·3H₂O).

List of utensils and tools

- Use a 50-100 liter stainless steel or glass-lined reactor with a mechanical stirrer and equipped with temperature control (±2°C).
- Equip an industrial-grade condenser with a cooling circulation system.
- Equip an industrial-grade liquid separation device with a capacity of ≥10 liters.
- Install a large distillation tower with a condensing device and a collecting device with a capacity of ≥20 liters.
- Use an industrial Buchner funnel or filter press for solid-liquid separation.
- Prepare a corrosion-resistant storage tank with a capacity of ≥50 liters.
- Prepare a measuring cylinder (2 liters, 10 liters) and a beaker (500 ml to 5 liters).
- Use an industrial stirring device to ensure uniform mixing.
- Prepare a vacuum pump for vacuum distillation.
- Ensure that there are explosion-proof equipment, ventilation systems and fire extinguishers.
- Provide protective equipment such as protective gloves, goggles, gas masks and acid-proof aprons.

Step 1: Hydrolysis of benzyl cyanide to produce acetophenone

- Add 12.65 kg of benzyl cyanide and 30 liters of deionized water to the reactor, and start the agitator to make the solution uniform.
- Slowly add 20 liters of concentrated sulfuric acid in batches, and control the reaction temperature at 30-50°C to prevent violent exotherm.
- Heat the reaction mixture to 150°C for 1-2 hours and observe the color change from transparent to light brown.
- After cooling to room temperature, separate the acetophenone organic layer with a separatory funnel.
- Collect the 202°C fraction by distillation to obtain purified acetophenone.

Step 2: Acetophenone generates N-methylphenylethylamine through Leuckart reaction

- Add 13.05 kg of acetophenone and 18 liters of formamide to the reactor and start the agitator to mix evenly.
- Slowly add 12 liters of formic acid to ensure that the reactants are fully mixed.
- Heat to 120-140°C and maintain for 3-5 hours. The released gas is discharged through the condenser.
- After the reaction is completed, cool to room temperature and neutralize the mixture in a saturated solution of about 5 kg of sodium carbonate.
- Extract the reaction solution with 50 liters of dichloromethane in 5 times, dry and distill, collect the 194°C fraction, and obtain purified N-methylphenylethylamine.

Step 3: Post-treatment and purification

- Dissolve the purified N-methylphenylethylamine in a small amount of water and acidify to pH about 1 with 5 liters of hydrochloric acid to form the hydrochloride.
- If there are impurities, add 2 kg of lead acetate trihydrate, stir and filter the precipitate.
- Release the free N-methylphenylethylamine with 2 kg of sodium hydroxide solution, then extract it again with dichloromethane, dry and distill.

I reiterate that I am only a hobbyist and do not sell any precursors or substances. Anyone violating escrow transactions is a scammer.

Respect to BB administrators. Salute 🫡
 

tin ton

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FQ-BB

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* Benzylacetone → Hydrazine (NH₂NH₂) Condensation → Strong Alkali Reduction → P2P

Steps:
Benzylacetone (10 g) anhydrous hydrazine (NH₂NH₂·H₂O, 98%) 15 m potassium hydroxide (KOH) 10 g ethylene glycol (solvent) 50 mL
- In a flask, add benzylacetone and anhydrous hydrazine, reflux and stir for 3 hours.Add KOH, heat up to 180°C and continue heating for 2 hours (Wolff-Kishner reduction). Cool down, extract, and distill (202-205°C) to collect P2P.Key point: Wolff-Kishner requires high temperature (180°C), avoid rapid heating.
 

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