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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 33031Generated: October 29, 2026

Acetyl chloride → HCID 131727066, compound

https://huagongshe.com/reaction/33031

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetyl chlorideHCID 6367—
ReactantDiisopropylethylamineHCID 81531—
Reactant1,4-Dioxane hydrochlorideHCID 20443148—
Reactant(rac.)-(1R*,5S*)-7-{4-[2-(tert-Butyldimethylsilanyloxy)ethoxy]phenyl}-3,9-diazabicyclo[3.3.1]non-6-ene-3,6,9-tricarboxylic acid 3-tert-butyl ester 6-ethyl ester 9-(2,2,2-trichloro-1,1-dimethylethyl) esterHCID 44158059—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventMethanolHCID 887—
SolventDichloromethaneHCID 6344—
SolventTetrahydrofuranHCID 8028—
ProductHCID 131727066HCID 131727066—

Reaction Steps

As for compound S1, from H7 (5.80 g, 7.73 mmol), CH2Cl2 (60 mL), 4M HCl/dioxane (60 mL), THF (50 mL), DMAP (47 mg, 0.384 mmol), DIPEA (5.29 mL, 31.7 mmol), acetyl chloride (0.604 mL, 8.08 mmol), and MeOH (5 mL). Purification of the residue by FC (EtOAc/heptane 1:1→EtOAc MeOH/EtOAc 1:9) led to the title compound (3.07 g, 69%). Rf=0.20 (EtOAc). LC-MS: Rt=4.80; ES+: 576.93.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07427613B2
Source datasetuspto-grants-2008_09
ORD IDord-4d9ce3e70f4a4423a9179679d6017a3d
Source noteuspto-grants-2008_09