5-Membered rings


Pyrrolidine

Pyrrole

2-Pyrroline

3-Pyrroline


Organics reactions for Pyrroles synthesis:

Barton-Zard Pyrrole Synthesis

Knorr Pyrrole Synthesis    

Paal-Knorr Pyrrole Synthesis                                                      

Hantzsch Pyrrole Synthesis


Imidazole

2-Imidazoline

Imidazolidine



Pyrazole

2-Pyrazoline

Pyrazolidine



1,2,3-Triazole

1,2,4-Triazole

Tetrazole



Furan

Oxazole

Isoxazole

1,2,3-Oxadiazole


Organics reactions for Furans:

Paal-Knorr Furan Synthesis

Feist-Bénary Furan Synthesis

Organics reactions for Oxazoles and Isoxazoles synthesis:

Fisher Oxazole Synthesis

Robinson-Gabriel Oxazole Synthesis


Thiophene

Thiazole

Isothiazole

1,3,4-Thiadiazole


Organics reactions for Thiophenes synthesis:

Paal Thiophene Synthesis 

Gewald Aminothiophene Synthesis

Organics reactions for Thiazole and Isothiazole synthesis:

Hantzsch Thiazole Synthesis


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