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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1067367Generated: October 25, 2026

Tin tetrachloride → HCID 23445625, compound

https://huagongshe.com/reaction/1067367

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTin tetrachlorideHCID 24287—
ReactantOxalyl chlorideHCID 65578—
Reactant2-(2-Bromo-benzyl)4,5-dimethyl-furanHCID 12093941—
ReactantHCID 15895034HCID 15895034—
CatalystDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
ProductHCID 23445625HCID 2344562566.4%

Reaction Steps

The title compound was prepared according to the procedure in Example 5, step 2 using 3-cyclopentyl-p-anisic acid (2.00 g, 9.08 mmol, RN-59216-82-9), oxalyl chloride (0.871 mL, 9.99 mmol), N,N-dimethylformamide (2 drops), tin (IV) chloride (1.17 mL, 4.58 mmol) and 2-(2-bromo-benzyl)-4,5-dimethyl-furan (2.41 g, 9.08 mmol) in CH2Cl2. Purification on Biotage KP-Sil eluting with 4% EtOAc/pet. ether gave 2.82 g (66%) of the title compound as a clear oil. 1H NMR (DMSO-d6) δ1.40-1.44 (m, 2H), 1.57-1.73 (m, 4H), 1.79 (s, 3H), 1.87-1.93 (m, 2H), 2.16 (s, 3H), 3.21 (quintet, 1H), 3.86 (s, 3H), 3.93 (s, 2H), 7.04 (d, 1H), 7.11-7.18 (m, 2H), 7.29 (t, 1H), 7.51 (dd, 1H), 7.54-7.60 (m, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06248764B1
Source datasetuspto-grants-2001_06
ORD IDord-d9d90e68eef14d0d9a6384659584d054
Source noteuspto-grants-2001_06