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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2385335Generated: October 30, 2026

1-Bromopentane → HCID 59352714, compound

https://huagongshe.com/reaction/2385335

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-BromopentaneHCID 8057—
Reactant1-(Bromomethyl)-2-chloro-4-fluorobenzeneHCID 2725062—
ReactantSpiro[furo[2,3-g]-1,4-benzodioxin-8(7H),3'-[3H]indol]-2'(1'H)-one, 2,3-dihydroHCID 58224164—
ReactantSpiro[furo[2,3-g]-1,4-benzodioxin-8(7H),3'-[3H]indol]-2'(1'H)-one, 2,3-dihydro-, (3'S)-HCID 59352191—
ProductHCID 59352714HCID 59352714—

Reaction Steps

Following the procedure as described in EXAMPLE 7.3 and making non-critical variations using 2,3-dihydrospiro[furo[2,3-g][1,4]benzodioxine-8,3′-indol]-2′(1′H)-one to replace (S)-2,3-dihydrospiro[furo[2,3-g][1,4]benzodioxine-8,3′-indol]-2′(1′H)-one, and 1-(bromomethyl)-2-chloro-4-fluorobenzene to replace 1-bromopentane, 1′-(2-chloro-4-fluorobenzyl)-2,3-dihydrospiro[furo[2,3-g][1,4]benzodioxine-8,3′-indol]-2′(1′H)-one was obtained (81%) as a colorless solid: 1H NMR (300 MHz, DMSO-d6) δ 7.52-7.60 (m, 1H), 7.35-7.17 (m, 4H), 7.10-7.02 (m, 1H), 6.89 (d, J=7.8 Hz, 1H), 6.52 (s, 1H), 6.24 (s, 1H), 4.97 (ABq 2H), 4.75 (ABq, 2H), 4.22-4.08 (m, 4H); 13C NMR (75 MHz, DMSO-d6) δ 176.7, 154.8, 144.2, 142.1, 137.8, 132.9, 131.7, 130.1, 129.5, 129.4, 128.9, 123.8, 123.2, 121.0, 117.2, 116.9, 114.9, 111.3, 109.3, 98.8, 79.6, 64.2, 63.6, 57.2, 41.1; MS (ES+) m/z 437.6 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08263606B2
Source datasetuspto-grants-2012_09
ORD IDord-388582b3bb4a49c2848789762fefa11b
Source noteuspto-grants-2012_09