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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2252473Generated: November 1, 2026

Lithium Hydroxide → HCID 23520121, compound

https://huagongshe.com/reaction/2252473

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 2733084—
ReactantHCID 22598957HCID 22598957—
ReactantHCID 23520133HCID 23520133—
SolventTetrahydrofuranHCID 8028—
ProductHCID 23520121HCID 23520121—

Reaction Steps

A solution of 7-(3-[(tert-butoxy)carbonylamino]-propoxy}-1-(3-([1-(triphenylmethyl)imidazol-2-yl]amino)propyl)-1H-indazole-5-carboxylic acid is treated with Hunig's base and HBTU, then is stirred for about 10 min. The reaction mixture is treated with methyl 3-amino-2(S)-(2,4,6-trimethyl-benzenesulfonyl)aminopropionate. The product is then isolated via chromatography. The methyl ester is saponified using LiOH in THF, and the trityl and boc protecting groups are removed by treatment with trifluoroacetic acid to give the title compound. It is purified by reversed phase preparative HPLC.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07321045B2
Source datasetuspto-grants-2008_01
ORD IDord-4eb2a20281634cbb80ddb7e08bbe4a1e
Source noteuspto-grants-2008_01