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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1478845Generated: October 30, 2026

Boron Trichloride → (R)-3-(3-((S)-2,3-diaminopropanamido)-4-((dimethylamino)methyl)benzamido)-2-hydroxy-3,4-dihydro-2H-benzo[e][1,2]oxaborinine-8-carboxylic acid

https://huagongshe.com/reaction/1478845

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBoron TrichlorideHCID 25135—
Reactanttert-butyl 3-((2R)-2-(3-((S)-2-amino-3-(tert-butoxycarbonylamino)propanamido)-4-((dimethylamino)methyl)benzamido)-2-(2,9,9-trimethyl-3,5-dioxa-4-bora-tricyclo[6.1.1.02,6]dec-4-yl)ethyl)-2-methoxybenzoateHCID 86725256—
Product(R)-3-(3-((S)-2,3-diaminopropanamido)-4-((dimethylamino)methyl)benzamido)-2-hydroxy-3,4-dihydro-2H-benzo[e][1,2]oxaborinine-8-carboxylic acidHCID 76900772—

Reaction Steps

Prepared from tert-butyl 3-((2R)-2-(3-((S)-2-amino-3-(tert-butoxycarbonylamino)propanamido)-4-((dimethylamino)methyl)benzamido)-2-(2,9,9-trimethyl-3,5-dioxa-4-bora-tricyclo[6.1.1.02,6]dec-4-yl)ethyl)-2-methoxybenzoate and BCl3 following the procedure described in Step 2 of Example 3. The crude product was purified by reverse phase preparative HPLC and dried using lyophilization. ESI-MS m/z 470 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09403850B2
Source datasetuspto-grants-2016_08
ORD IDord-3b00f5b774924be688758b6d7bfc5d09
Source noteuspto-grants-2016_08