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Why the benzene ring is not much reactive as the pyrrole?
Abhishekprtp9
pyrrole is more reactive towards electrophillic aromatic substiotution because it is able to stabilize the +ve charge of the intermediate carbocation
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∙ 13y ago
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What is a heterocylic amine?
Pyrrole is a 5 membered ring heterocylic amine , the fused heterocylic form of it is Indole (Benzo [b] Pyrrole)
Is a benzene ring stable?
Benzene has the structure C6H6 so should have double bonds but it does not instead it has a unsaturated electron above or below it. This is also known as an area of high electron density.
What are fused heterocyclic compounds?
Fused heterocylic compounds is a heterocylic compound (eg. Furan) fused with another ring which can be either a carbon ring (benzene) or can be fused with another heterocylic ring(Pyridine,Pyrrole,...etc). Fused heterocyclics can be either 2 fused rings,3 rings or more. From the famous examples on fused heterocylic compounds: -Heroin -Indole -Morphine -Carbazole
Aromatic compounds contain what kind of ring?
Benzene
Do plastics have benzene?
Not all plastics but some have, for example Bakelite plastic contains phenols which have the benzene ring. but in free form benzene does not exist in any plastic.
Why do 5-membered ring aromatic heterocycles pyrrole and furan undergo electrophilic substitution more rapidly than benzene while 6-membered ring heterocycles like pyridine are less reactive than Benz?
pyridine is less reactive than benzene because when we form its conjugate base then it'll b more stable than dat of benzene.. so more stabler means less reactive.......and also due to more resonance in benzene it will b more reactive...same 4 furan and pyrrole
Why furan is more reactive than pyrrole and thiophene?
Furan is more reactive than Pyrrole because it is less stable as it contains an extra lone pair than that of pyrrole, which is available for attack of an acid, results in the destabilization of the ring.
Why chlorine makes benzene less reactive?
This is because chlorine is an electronegative group and is pulling electrons away from benzene. This makes the ring less reactive and more positive. Then when a positive electrophile tries to attach, the benzene does not want to react.
Is benzene less reactive towards electrophillic substitution reaction?
No, Haloarenes are less reactive than benzene towards electrophillic substitution reaction. This is because the halogen atom attached to benzene ring in haloarenesis slightly deactivating and orthoand para directing. so attack can only take place at orthoand para. Also the halogen atom in Haloarenesdue to its -I effect has some tendancyto withdraw electrons from the benzene ring and hence making it deactivating.Since the ring gets deactivated as compared to benzene, haloarenesare less reactive than benzene in electrophillicsubstituionreaction.
What are pyrrole ring containing drugs?
Atorvastatin
What is a heterocylic amine?
Pyrrole is a 5 membered ring heterocylic amine , the fused heterocylic form of it is Indole (Benzo [b] Pyrrole)
Why nitration of toluene is easier than benzene?
Hi ,As you know from the structures of both the compounds that toluene has a methyl group on the benzene ring which is electron releasing group and hence activate the benzene ring by pushing the elctrons on the benzene ring. On the other hand nitro group on the benzene ring is electron withdrawing group which deactivates the benzene ring by withdrawing the electrons from the benzene ring . Now in the nitration attack of the nucleophile ( NO2 +) takes place. Hence reaction will takes place on that benzene faster which have more electron density on its ring which is the case of toluene.
What is an azaindole?
An azaindole is any of a group of bicyclic heterocycles composed of a pyridine ring fused with a pyrrole ring.
Is a benzene ring stable?
Benzene has the structure C6H6 so should have double bonds but it does not instead it has a unsaturated electron above or below it. This is also known as an area of high electron density.
Why is benzene classified as an aromatic compound?
There isn't such a thing as more aromatic. Something is aromatic or not. If you are referring to the stabilization due to aromaticity, naphthalene has more electrons in the stabilizing Pi-system is therefore more stabilized.
What does a ring do for chemistry?
A ring is a cyclic molecule as benzene.
How many resonance structure benzene have?
There are 2 resonance structures for benzene.
