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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 42663Generated: October 28, 2026

Hydrochloric Acid → 5-[3,4-Bis(benzyloxy)-5-nitrophenyl]-2H-tetrazole

https://huagongshe.com/reaction/42663

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantAmmonium ChlorideHCID 25517—
ReactantSodium AzideHCID 33557—
Reactant3,4-Bis(benzyloxy)-5-nitrobenzonitrileHCID 67036994—
SolventDimethylformamideHCID 6228—
Product5-[3,4-Bis(benzyloxy)-5-nitrophenyl]-2H-tetrazoleHCID 67037054—

Reaction Conditions

Temperature85 °C

Reaction Steps

A mixture of 3,4-bis-benzyloxy-5-nitro-benzonitrile (0.54 g, 1.50 mmol), sodium azide (0.15 g, 2.25 mmol) and ammonium chloride (0.12 g, 2.25 mmol) in dimethylformamide (3 mL) was stirred at 85° C. for 20 hours. After cooling to room temperature, the reaction mixture was poured onto water (30 mL) and acidified with dilute hydrochloric acid. The resulting precipitate was collected, washed with water and dried to yield 5-(3,4-bis-benzyloxy-5-nitro-phenyl)-2H-tetrazole, 0.53 g (87%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08536203B2
Source datasetuspto-grants-2013_09
ORD IDord-a41d3a1de1df45c5a88c267697cfb3a2
Source noteuspto-grants-2013_09