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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1849254Generated: November 1, 2026

Sodium Carbonate → HCID 58204175, compound

https://huagongshe.com/reaction/1849254

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium CarbonateHCID 10340—
Reactant1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
ReactantMethylamine hydrochlorideHCID 6364545—
ReactantHCID 58204000HCID 58204000—
Catalystpalladium(II) acetateHCID 167845—
SolventTolueneHCID 1140—
ProductHCID 58204175HCID 58204175802.9%

Reaction Conditions

Temperature80 °C

Reaction Steps

A suspension of tert-butyl 4-(3-(8-bromo-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)-4-chlorobenzoyl)piperazine-1-carboxylate (500 mg, 0.76 mmol), Pd(OAc)2 (9 mg, 0.038 mmol), Xantphos (44 mg, 0.076 mmol), MeNH2.HCl (77 mg, 1.14 mmol) and Na2CO3 (242 mg, 2.28 mmol) in toluene (10 mL) was heated at 80° C. under atmosphere of CO from balloon for overnight. Then it was filtrated and concentrated, the crude product was purified by pre-TLC (DCM/MeOH=10:1 as eluted solvent) to give tert-butyl 4-(4-chloro-3-(N-methyl-8-(methylcarbamoyl)-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)benzoyl)piperazine-1-carboxylate (390 mg, yield: 80%). 1H NMR (DMSO, 400 MHz): δ7.59-7.26 (m, 8H, ArH, NH), 4.26 (t, J=5.2 Hz, 2H, CH2), 3.57-2.80 (m, 18H, CH2, CH3), 1.47 (s, 9H, CH3)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08952043B2
Source datasetuspto-grants-2015_02
ORD IDord-7fb1d40b61f943a68608e2aac60b538f
Source noteuspto-grants-2015_02