GFS Chemicals can provide:

Single-ring systems

Butenolides

3-substituted furans

Pyrazoles & Isoxazoles

Isothiazoles

Maleic anhydrides

2,3-dihydrofurans

1,2,3,5- tetrasubstituted pyrroles

Pyrroles

Tetrahydrofurans, Pyrrolidines

Polysubstituted Pyridines

Ene-dithiocarbonates

2,4,6-trisubstituted pyrimidines

Piperidines, N-Benzyl-3-alkylidene

Polycyclic/fused ring systems

3,3’-bifurans

1,2,3-triazoles (‘click chemistry’)

Bicyclic pyridinones

Fused pyridines from halopyrazine coupling and condensation

2-substituted furo[3,2-b]pyridines

β- and γ-carbolines

bispyrrolopyrimidines

Isoquinolines

2-arylbenzo[b]furans

Dihydroazulenes

Coumarins

2H-1-Benzopyrans

Indoles and benzofurans

Spiro-ring systems

2-pyrrolidinones

Spiropyridines (C2-symmetrical chiral ligands)

For more information or to receive your free presentation on heterocycles, contact development@gfschemicals.com or call 1-877-534-0795 .