SGT-263 (CUMYL-5F-P7AICA)

William D.

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Synthesis:
1. A solution of 1H-pyrrolo[2, 3-b]pyridine-3-carboxylic acid (0.49 g, 3 mmol), oxalyl chloride (0.6 mL, 7.2 mmol), and DMF (1 mL) in dichloromethane (20 mL) was stirred for 20 min.
2. The mixture was evaporated and then redissolved in methanol (20 mL) and stirred for 40 min.
3. The mixture was evaporated and then extracted with ethyl acetate.
4. The organic phase was washed with saturated sodium bicarbonate solution and dried with Na2SO4, and the solvent was removed in vacuo to yield the white solid (0.36 g, 68%).
5. A solution of Step 4 (0.36 g, 2 mmol), potassium t-butoxide (0.27 g, 2.4 mmol), and 1-bromo-5-fluoropentane (1.6 g,9.5 mmol) in THF (20 mL) was stirred for 24 h.
6. The mixture was extracted with ethyl acetate.
7. The organic phase was washed with brine and dried with Na2SO4, and the solvent was removed in vacuo.
8. The residue was purified by silica gel chromatography with stepwise gradient elution of n-hexane/ethyl acetate (3:1–2:1–1:1, v/v) to yield the white solid (0.35 g, 65%).
9. A solution of step 8 (0.35 g, 1.3 mmol) and 6 mol/L sodium hydroxide solution (10 mL) in methanol/THF (2:1,v/v, 15 mL) was stirred for 1.5 days.
10. The mixture was evaporated, added to water, and then washed with ethyl acetate.
11. A solution of 1 mol/L hydrochloric acid was added to the aqueous phase, and the mixture was extracted with ethyl acetate.
12. The organic phase was washed with brine and dried with Na2SO4, and the solvent was removed in vacuo to yield the white solid (0.39 g, quant.)
13. A solution of step 12 (0.39 g, 1.3 mmol), oxalyl chloride (3 mmol), and DMF (1 mL) in dichloromethane (12 mL) was stirred for 10 min.
14. The mixture was evaporated and then redissolved in dichloromethane (10 mL).
15. Cumylamine (2 mmol) and triethylamine (0.5 mL) were added to the solution and stirred for 15 h.
16. The mixture was evaporated and then extracted with ethyl acetate.
17. The organic phase was washed with 0.1 mol/L hydrochloric acid solution, saturated sodium bicarbonate solution and brine, and then dried with Na2SO4, and the solvent was removed in vacuo to yield the white solid (0.37 g, 77%).
 
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onionexpress

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Muito obrigado! Você pode me dar as proporções para 1 kg de produto final?
 

MuricanSpirit

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Basta multiplicar tudo com 370x (1000g/0,37g = 370 de proporção) como "regra básica".

É claro que tenho certeza de que alguns solventes permitem uma mistura de densidade mais alta, por exemplo, você não precisará de 370 vezes mais acetato de etila, mas perceberá rapidamente quando a solução estiver saturada demais, mas lembre-se de que mais calor permite mais saturação (não sei bem por quê).
 

onionexpress

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Obrigado por isso, eu agradeço. Mas sou novato e preciso de informações específicas para evitar erros.
 

onionexpress

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Alguém pode carregar um vídeo tutorial? Sou novato e não quero saber todas as etapas (inclusive o equipamento necessário). Ficaria muito grato, muito obrigado
 

00000000

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Posso enviar o texto para você, por favor?
 

BackstagePanther

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Olá, esse análogo é o 5F-CUMYL-PEGACLONE (5F-SGT-151)?
Você pretende fazer o upload de uma síntese dele também? Seria mais do que interessante.
Obrigado por seu excelente trabalho.
 

G.Patton

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Ele tem um esqueleto de carbono diferente
 

BackstagePanther

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Ah, acabei de perceber que a base do 5F-SGT-151 contém um terceiro anel de benzeno. Carregando a nomenclatura.
Gostaria de saber se o 5F-SGT-151 poderia ser criado e, em vez de 1-bromo-5-fluoropentano usado como cauda,
poderíamos usar o 1-bromo-6-fluorohexano. Isso nos daria uma afinidade/efeitos de receptor ainda maiores?
 

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G.Patton

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De acordo com esses dados, eu diria que sim, mas é apenas uma hipótese.
 
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Lordseeds

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Sim, acho que isso será suficiente. Tenho outra pergunta. Quais são os canabinóides mais fortes?
 

king of synthesis

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Olá,
A piridina é uma alternativa ao terc-butóxido de potássio nessa reação?
 

jejekororun

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I am interested in the synthesis of 5F-adb is there a simple reliable recipe?
 
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