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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269617Generated: November 2, 2026

Triethylamine → (2S)-2,4-Bis[(tert-butoxycarbonyl)amino]butyl methanesulphonate

https://huagongshe.com/reaction/269617

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantMethanesulfonyl chlorideHCID 31297—
ReactantHCID 57440192HCID 57440192—
SolventDichloromethaneHCID 6344—
Product(2S)-2,4-Bis[(tert-butoxycarbonyl)amino]butyl methanesulphonateHCID 86601681—

Reaction Steps

Preparation takes place in analogy to Example 84A from 250 mg (0.81 mmol) of tert-butyl{(3S)-3-[(tert-butoxycarbonyl)amino]-4-hydroxybutyl}carbamate (Example 89A) in 20 ml of dichloromethane with 110 mg (0.97 mmol) of methanesulfonyl chloride and 0.23 ml (1.6 mmol) of triethylamine. The product is reacted without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07446102B2
Source datasetuspto-grants-2008_11
ORD IDord-66dc4b91028b4aafb09346fd1ff872a6
Source noteuspto-grants-2008_11