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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1508965Generated: October 30, 2026

Thiophene-3-boronic acid → HCID 90338658, compound

https://huagongshe.com/reaction/1508965

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThiophene-3-boronic acidHCID 581760—
Reactant2,4-Dichloro-6,7-dihydro-5H-cyclopenta[b]pyridineHCID 12214817—
ProductHCID 90338658HCID 9033865870%

Reaction Steps

Following general procedure F, 2,4-dichloro-6,7-dihydro-5H-cyclopenta[b]pyridine (0.150 g, 0.80 mmol) was reacted with thiophen-3-ylboronic acid (0.112 g, 0.88 mmol) to afford the title compound (0.132 g, 70%) as a white solid. MW=235.73. 1H NMR (CDCl3, 500 MHz) δ 7.88-7.82 (m, 1H), 7.61-7.56 (m, 1H), 7.40-7.34 (m, 1H), 3.11 (t, J=7.5 Hz, 2H), 3.00 (t, J=7.5 Hz, 2H), 2.16 (quin, J=7.5 Hz, 2H); APCI MS m/z 236 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09221843B2
Source datasetuspto-grants-2015_12
ORD IDord-1cf99f25f5a748ef8c6383e2841153b9
Source noteuspto-grants-2015_12