Síntese de metanfetamina a partir de P2P por redução de NaBH4. Em escala média.

btcboss2022

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Olá,

Depois de muitos testes usando Methylamine HCL com base nesse método, compartilharei a melhor maneira que encontrei para obter Methamphetamine freebase em grande escala:

  • 966 gr P2P
  • 14 litros de metanol
  • 1183 g de metilamina HCL
  • 638 g de NaOH
  • 452 g de sulfato de sódio anidro
  • 105 g de NaBH4
  • 35 L de água destilada
  • 7 litros de DCM

- Encha o reator com os 14 litros de metanol
- Com agitação, dissolva a metilamina HCL
- Coloque a temperatura do reator em 0C (não a temperatura da mistura) e adicione o NaOH, a temperatura aumentará
- Quando a temperatura voltar a 20C, adicione o P2P e a temperatura aumentará, mexendo durante 45 minutos a 1 hora
- Adicione 252 g de sulfato de sódio anidro
- Quando a temperatura da mistura chegar a 8C, comece a adicionar o NaBH4 em partes, não ultrapassando os 20C
- Depois que todo o NaBH4 tiver sido adicionado, deixe-o misturar sob 20C durante aproximadamente 2 horas até que a mistura pare de borbulhar
- Adicione a água e continue misturando durante 5 minutos
- Adicione o DCM e misture durante 10 minutos
- Pare de mexer e deixe as camadas se separarem
- Mantenha a camada inferior e descarte a superior (não é lucrativo extrair essa fase aquosa)
- Adicione 200 g de sulfato de sódio anidro à camada guardada e misture
- Filtre-a em um funil de Buchner
- Evaporar o DCM
- Obteve-se uma base livre de metanfetamina limpa e malcheirosa

;-)
 
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snowbones

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Is the 35 litres of water added to ensure seperation of the dcm and water cos of the methanol present to stop it all mixing?
and are you using a 100 litre HDPE paint bucket as the reaction vessel?
 

Atompower

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Has any one trying this method of btc boss and had success with his write up
 

rage565

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Is there a video of this procedure available?
 

G.Patton

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Have you tried to open Video section?
 

Grubby

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Is 15g of NaBH4 enough as the reducing agent for 138g of P2P? Or should I add a small amount of reducing agent to avoid some side reactions?
 

G.Patton

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Hello, yes it's not enough. You have to add at least equimolar amount 38.91g of NaBH4. It's even worth to add a little more, ~1.1 eqviv 42.8g.
 

Grubby

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Idol, there must be a special reason why you choose to use less reducing agent! For example, to avoid certain side reactions or to favor certain steps? Please Master, please enlighten me on the mystery behind this.
 
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