Conventional and Green Synthesis of Carbaryl

TL;DR

This video explores the conventional and green synthesis methods of carbonyl, highlighting the importance of green chemistry.

Transcript

hello students in today's video i'm going to teach you about a particular question which keeps on getting asked and it's an important question it is about the conventional and the green synthesis of carbonyl also we'll also mention the principle of green chemistry so firstly we will look at the solution for it the conventional route for carbury so ... Read More

Key Insights

• 😒 The conventional synthesis of carbonyl involves the use of methyl isocyanide and phosgene, which are highly toxic.
• 😒 The green synthesis method utilizes naphthalene and phosgene in an alkaline medium, followed by methylamine, resulting in the desired product without the use of toxic substances.
• 💚 Green chemistry promotes the development of safer and more sustainable synthetic methods.
• 🥺 Reversing the sequence of steps in the synthesis process can lead to a greener route without changing the raw materials.
• 💚 The green synthesis method of carbonyl avoids the accumulation of methyl isocyanate and phosgene.
• ❓ Phosgene is a lethal substance that should be avoided in chemical synthesis.
• ♻️ Green chemistry aims to minimize the negative impact of chemical processes on human health and the environment.

Questions & Answers

Q: What is the conventional route for the synthesis of carbonyl?

The conventional route involves treating methyl isocyanide with one naphtholom methyl isocyanate, resulting in the production of carbonyl. However, this method produces a highly toxic substance called phosgene.

Q: How does the green synthesis method differ from the conventional method?

In the green synthesis method, naphthalene is treated directly with phosgene in an alkaline medium, followed by the addition of methylamine. This method avoids the use of toxic substances like phosgene and methyl isocyanate.

Q: Why is phosgene considered toxic and dangerous?

Phosgene is highly toxic and can be fatal even in small amounts. Just the smell of phosgene can be lethal. Therefore, its use in the synthesis of carbonyl is not accepted in green chemistry.

Q: What is the significance of green chemistry in the synthesis of carbonyl?

Green chemistry emphasizes the use of environmentally friendly and sustainable methods. In the context of carbonyl synthesis, the green route avoids the use of toxic substances, making it safer for both the environment and human health.

Summary & Key Takeaways

• Carbonyl is traditionally synthesized by treating methyl isocyanide with one naphtholom methyl isocyanate, resulting in the production of a highly toxic substance called phosgene.

• The green synthesis method involves treating naphthalene directly with phosgene in an alkaline medium, followed by the addition of methylamine to obtain the desired product.

• The green synthesis method avoids the use of toxic substances such as phosgene and methyl isocyanate, making it a safer and more environmentally friendly option.