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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1642578Generated: November 3, 2026

L-Alanine-(R)-2-[5-(3-ethanesulfonyl-phenyl)-3-methyl-9H-dipyrido[2,3-b;4',3'-d]pyrrol-8-yloxy]-1-methyl-ethyl ester → (S)-2-(5-(3-(ethylsulfonyl)phenyl)-3-methyl-9H-pyrido[2,3-b]indol-8-yloxy)ethyl2-aminopropanoate

https://huagongshe.com/reaction/1642578

Reaction equation

Participants

RoleNameHCIDCharge
ReactantL-Alanine-(R)-2-[5-(3-ethanesulfonyl-phenyl)-3-methyl-9H-dipyrido[2,3-b;4',3'-d]pyrrol-8-yloxy]-1-methyl-ethyl esterHCID 16123544—
Reactant2-(5-(3-(ethylsulfonyl)phenyl)-3-methyl-9H-pyrido[2,3-b]indol-8-yloxy)ethanolHCID 58880169—
Product(S)-2-(5-(3-(ethylsulfonyl)phenyl)-3-methyl-9H-pyrido[2,3-b]indol-8-yloxy)ethyl2-aminopropanoateHCID 58880193—

Reaction Steps

The title compound was prepared from Compound 215 by using an analogous procedure to that outlined in the preparation of Compound 64. 1H NMR (400 MHz, DMSO) δ ppm 1.18 (t, J=7.33 Hz, 3 H) 1.40 (d, J=7.33 Hz, 3 H) 2.27 (s, 3 H) 3.42 (q, J=7.33 Hz, 2 H) 4.20 (d, J=5.05 Hz, 1 H) 4.53 (t, J=4.42 Hz, 2 H) 4.58-4.69 (m, 2 H) 7.12 (d, J=8.08 Hz, 1 H) 7.23 (d, J=8.08 Hz, 1 H) 7.55 (s, 1 H) 7.87 (t, J=7.83 Hz, 1 H) 8.00 (dd, J=12.63, 7.58 Hz, 2 H) 8.08 (s, 1 H) 8.29 (s, 1 H) 8.33 (br. s., 2 H) 11.95 (s, 1 H) [M+H] calc'd for C25H27N3O5S, 482; found, 482.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08119655B2
Source datasetuspto-grants-2012_02
ORD IDord-62aa61dd877f4e9fb7454c0ce64575aa
Source noteuspto-grants-2012_02