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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 846520Generated: October 30, 2026

Iodoethane → 1-(2-chloro-4-fluoro-5-methoxyphenyl)-1,4-dihydro-4-ethyl-5H-tetrazol-5-one

https://huagongshe.com/reaction/846520

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIodoethaneHCID 6340—
ReactantSodium hydrideHCID 24758—
Reactant1-(2-chloro-4-fluoro-5-methoxyphenyl)-1,4-dihydro-5H-tetrazol-5-oneHCID 136160136—
SolventDimethyl SulfoxideHCID 679—
Product1-(2-chloro-4-fluoro-5-methoxyphenyl)-1,4-dihydro-4-ethyl-5H-tetrazol-5-oneHCID 1434935985.6%

Reaction Steps

In the manner of Example 2, Step F, the reaction of 1.33 g (0.0054 mole) of 1-(2-chloro-4-fluoro-5-methoxyphenyl)-1,4-dihydro-5H-tetrazol-5-one with 0.26 g (0.0054 mole) of sodium hydride and 1.6 g (0.01 mole) of iodoethane in 60 mL of dimethylsulfoxide produced 1.26 g of 1-(2-chloro-4-fluoro-5-methoxyphenyl)-1,4-dihydro-4-ethyl-5H-tetrazol-5-one, compound 105, 79°-80° C. Compound 106 was prepared in a similar manner.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05136868
Source datasetuspto-grants-1992_08
ORD IDord-d612d27504e1448eaf40438e2992e7d7
Source noteuspto-grants-1992_08