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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 977561Generated: October 30, 2026

Tetrahydrofuran → 1-(4-Methylphenylsulfonyl)-5-(1-dodecynyl)indole-3-carboxaldehyde

https://huagongshe.com/reaction/977561

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
Reactant1-DecyneHCID 12997—
Reactant5-bromo-1-(4-methylbenzenesulfonyl)-1H-indole-3-carbaldehydeHCID 10384969—
CatalystCopper iodideHCID 83717—
CatalystDichlorobis(triphenylphosphine)palladiumHCID 6102075—
SolventTriethylamineHCID 8471—
Product1-(4-Methylphenylsulfonyl)-5-(1-dodecynyl)indole-3-carboxaldehydeHCID 1837293950.8%

Reaction Conditions

Temperature65 °C

Reaction Steps

To a degassed mixture of 1-(4-methylphenylsulfonyl)-5-bromoindole -3-carboxaldehyde (36.9 g), 1-decyne (16.8 g), in dry triethylamine (200 ml)and dry tetrahydrofuran (150 ml) was added, 1 mole percent of copper (11) iodide and 2 mole percent of bis(triphenylphosphine)palladium (II) chloride. The reaction mixture was stirred at 65° C. for 7 days. The solution was evaporated, and the residue was flash chromatographed (silica gel:4:l, dichloromethane:heptane). The appropriate fractions were collected and evaporated. The residue was recrystallized from hexane to give 23.1 g (50.8%) of product, mp 84°-86° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05614631
Source datasetuspto-grants-1997_03
ORD IDord-1035e3f4295640ee8f6850fd4c5d71ed
Source noteuspto-grants-1997_03