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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 37643Generated: October 28, 2026

Hydrochloric Acid → HCID 19936121, compound

https://huagongshe.com/reaction/37643

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantTetrahydrofuranHCID 8028—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 19936139HCID 19936139—
SolventMethanolHCID 887—
ProductHCID 19936121HCID 1993612194.2%

Reaction Conditions

Temperature60 °C

Reaction Steps

To N-cycloheptyl-1-fluorenecarboxamide (1.00 g, 3.28 mmol) was added a 1M solution of borane-tetrahydrofuran complex in THF (13 ml, 13 mmol) and the mixture was heated at 60° C. for 7.5 hrs. To this reaction mixture were added methanol (0.4 ml) and concentrated hydrochloric acid (3 ml) and the mixture was heated at 60° C. for 0.5 hr. Then, 1N aqueous sodium hydroxide solution (50 ml) was added at room temperature and the mixture was extracted with chloroform (80 ml×2 times). The organic layer was taken, dried and concentrated. To the residue were added ether (30 ml) and 4N hydrogen chloride in ethyl acetate (2 ml) and the resulting white solid was collected by filtration. This solid was dissolved in chloroform (80 ml) and washed with 1N aqueous sodium hydroxide solution (80 ml×1). The Organic layer was dried and concentrated to give 0.90 g of a pale yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05420348
Source datasetuspto-grants-1995_05
ORD IDord-c0964ac4cb4744f3abb82c3c96d14b9c
Source noteuspto-grants-1995_05