Chemical compounds

Updated on 5/1/2014.

Five-membered heterocycles

Chemical drawings were obtained using Molconvert of Chemaxon.


1,2-dioxolane
1,3-dioxolane
Furan
2,3-dihydrofuran
2,5-dihydrofuran

Pyrrole
1-pyrroline
2-pyrroline
3-pyrroline
Pyrrolidine

Imidazole
Imidazoline
Imidazolidine
Pyrazole
2-pyrazoline
3-pyrazoline

1,3,4-triazole
1,2,3-triazole
1,2,4-triazole
Tetrazole
Pentazole
Pyrazolidine

Thiolane
1,2-dithiolane
1,3-dithiolane
Thiophene
2,3-dihydrothiophene
2,5-dihydrothiophene

1,2-oxazolidine
(Isoxazolidine)
1,3-oxazolidine
(Oxazolidine)
Isoxazole
(1,2-oxazole)

2,3-dihydro-1,2-oxazole
2,5-dihydro-1,2-oxazole
4,5-dihydro-1,2-oxazole

Oxazole
(1,3-oxazole)
2,3-dihydro-1,3-oxazole
2,5-dihydro-1,3-oxazole
4,5-dihydro-1,3-oxazole

1,2,3-oxadiazole
1,2,4-oxadiazole
1,2,5-oxadiazole
(Furazan)
1,3,4-oxadizole

1,2,3-dioxazolidine
3H-1,2,3-dioxazole
5H-1,2,3-dioxazole

1,4,2-dioxazolidine
5H-1,4,2-dioxazole
1,3,2-dioxazolidine
2H-1,3,2-dioxazole

1,2-oxathiolane
5H-1,2-oxathiole
3H-1,2-oxathiole
1,3-oxathiolane
2H-1,3-oxathiole

1,2-thiazolidine
(Isothiazolidine)
1,3-thiazolidine
(Thiazolidine)

1,2-thiazole
(Isothiazole)
2,3-dihydro-1,2-thiazole
2,5-dihydro-1,2-thiazole
4,5-dihydro-1,2-thiazole

1,3-thiazole
(Thiazole)
2,3-dihydro-1,3-thiazole
2,5-dihydro-1,3-thiazole
4,5-dihydro-1,3-thiazole

1,2,3-thiadiazole
1,2,4-thiadiazole
1,2,5-thiadiazole
1,3,4-thiadiazole

1,2,3-dithiazolidine
3H-1,2,3-dithiazole
5H-1,2,3-dithiazole

1,4,2-dithiazolidine
5H-1,4,2-dithiazole
1,3,2-dithiazolidine
2H-1,3,2-dithiazole