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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 128160Generated: October 30, 2026

Sodium ethoxide → Ethyl 5-isocyanato-2-methylbenzene-1-sulfonate

https://huagongshe.com/reaction/128160

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium ethoxideHCID 2723922—
ReactantSodium MethoxideHCID 10942334—
ReactantHCID 88756610HCID 88756610—
ProductEthyl 5-isocyanato-2-methylbenzene-1-sulfonateHCID 54358193—

Reaction Steps

If, instead of sodium methylate, sodium ethylate in solution in alcohol is used for esterifying the urethane toluene-2-sulphonic acid chloride according to Example 1, the 4-isocyanatotoluene-2-sulphonic acid ethyl ester is similarly obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04259255
Source datasetuspto-grants-1981_03
ORD IDord-2d61740315d344d098d26912de7c4fb7
Source noteuspto-grants-1981_03