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Synthesis of 1-naphthoyl chloride

thankyou888

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@G.Patton
If we add HCl in Naphthoic acid than it will not produce Naphthoyl chloride.?
 

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Khaled

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Hello, how are you? Can I inquire about the alternative to naphthoyl chloride? How many substances can you write down?
 

thankyou888

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Hello, how are you? Can I inquire about the alternative to naphthoyl chloride? How many substances can you write down?
KhaledYou can use many other reagents but than final product is not JWH-018. It will produce other series of cannabinoid.
 

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You can use many other reagents but than final product is not JWH-018. It will produce other series of cannabinoid.
thankyou888Thank you for all

Can you tell us what are the alternative reagents for naphthoyl chloride, because we find it difficult to manufacture and obtain it?
 

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@G.Patton also tell me how to clear the solid waste formed inside reactor.?
Does alcoholic NaOH will clean the reactor.?
 

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عام جديد سعيد
من فضلك

Can you tell us what are the alternative reagents for naphthoyl chloride, because we find it difficult to manufacture and obtain it?
 

HIGGS BOSSON

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The synthesis of this reagent is quite simple, but very unpleasant due to the release of toxic gases. It is much easier to buy ready-made in China, India or Europe. There are quite a lot of suppliers, the average price is 300-500 dollars per kg.
In the case of buying a wholesale batch of 100 kg, it may be possible to find it at a price of 200-300 dollars.
 

Khaled

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The synthesis of this reagent is quite simple, but very unpleasant due to the release of toxic gases. It is much easier to buy ready-made in China, India or Europe. There are quite a lot of suppliers, the average price is 300-500 dollars per kg.
In the case of buying a wholesale batch of 100 kg, it may be possible to find it at a price of 200-300 dollars.
HIGGS BOSSONHi, Happy New Year to everyone. When manufacturing naphthoyl chloride, I find it difficult to distill. Can I store the product without distillation, such as when adding naphthoic acid and phosphoryl hand? Run a condenser for half an hour with a reflux condenser, then evaporate the propionyl chloride in the air, then take the product without distillation. Thank you.
 

jarmy

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Reaction scheme:
View attachment 1698
Synthesis:
1. In the reactor, equipped with a stirrer, a thermometer, reflux condenser and a drip funnel, add 600 g POCl3.
2. In the drip funnel poured 1000 g 1-naphthoic acid and 500 ml dimethylformamide.
3. The reaction mass is heated to 100 *С. Within 30 minutes, the mixture was added from a drip funnel.
4. Then the reflux condenser was changed to straight condenser and distill the forming propionyl chloride.
5. The resulting 1-naphthoic acid chloride is distilled at 35 mm pressure at a temperature of 190 *С. 1170 g 1-naphthoic acid chloranhydride was obtained (yield 93%).
William DampierThere is a question about step 4. How much temperature is required to distill propionyl chloride?
 
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