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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 431338Generated: October 25, 2026

N-tert-Butoxycarbonyl-L-tryptophan → (2S)-6-[[(2S)-2-(tert-butoxycarbonylamino)-3-(3H-indol-3-yl)propanoyl]amino]-2-[isobutyl(p-tolylsulfonyl)amino]hexanoic acid

https://huagongshe.com/reaction/431338

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-tert-Butoxycarbonyl-L-tryptophanHCID 83169—
ReactantNalpha-isobutyl-Nalpha-(4-methylbenzenesulfonyl)-L-lysineHCID 23552860—
Product(2S)-6-[[(2S)-2-(tert-butoxycarbonylamino)-3-(3H-indol-3-yl)propanoyl]amino]-2-[isobutyl(p-tolylsulfonyl)amino]hexanoic acidHCID 508607—

Reaction Steps

The title compound was prepared from Nα-isobutyl-Nα-(4-methylbenzenesulfonyl)-L-lysine (100 mg, 0.29 mmol, example 1, step E) as described in general procedure Bc using commercially available Nα-tert-butoxycarbonyl-L-tryptophan (90 mg, 0.3 mmol). The final product was triturated with ether to yield 157 mg (81%) of the desired material.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06656965B2
Source datasetuspto-grants-2003_12
ORD IDord-13178a7829a2436fb5f3061916aa81d6
Source noteuspto-grants-2003_12