1.Azides for Reagents

Sodium Azide
NaN3

Trimethylsilyl azide (TMSA)
(CH3)3SiN3

Dodecylbenzenesulfonyl azide
(DBSA)

Diphenylphosphoryl azide
(DPPA)

Benzyl azide (BEA)

 2.Tetrazole Derivatives

5-Substituted tetrazoles

5-Aminotetrazole

5,5'-Bistetrazole
diammonium salt

Bis-tetrazoleamine
monoammonium salt

R= CH3, C2H5, C3H7, Cyclo-C3H5

X= Halogen, sulfonyl, carbonyl, alkyl

1-Substituted tetrazoles

1,5-Substituted tetrazoles

R = Alkyl

5-Mercapto-1-substituted tetrazoles

R =
CH3, C2H5, C3H7, Cyclo-C6H11
CH2COOH

X =
Alkyl, SO3H
COOH, NH2, H

5-Hydroxytetrazoles

Mercapto oxadiazole derivatives

R = Alkyl, CH2COOR

Triazoles

 3.Others

Pyrazoles

Imidazoles

Pyrazolones

Thiocarbohydrazide

Indene derivatives