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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1730236Generated: October 31, 2026

Dicyclohexylcarbodiimide → 5,5-Dimethyl-10-[4-(morpholino)butyryloxy]-8-(3-methyl-2-octyl)-2-methyl-1,2,3,4-tetrahydro-5H-[1]benzopyrano[3,4-d]pyridine hydrochloride

https://huagongshe.com/reaction/1730236

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDicyclohexylcarbodiimideHCID 10868—
Reactant5H-(1)Benzopyrano(4,3-c)pyridine, 1,2,3,4-tetrahydro-5,5-dimethyl-8-(1,2-dimethylheptyl)-10-hydroxy-2-methyl-HCID 211064—
Reactant4-Morpholin-4-Yl-Butyric Acid HydrochlorideHCID 12733746—
SolventDichloromethaneHCID 6344—
Product5,5-Dimethyl-10-[4-(morpholino)butyryloxy]-8-(3-methyl-2-octyl)-2-methyl-1,2,3,4-tetrahydro-5H-[1]benzopyrano[3,4-d]pyridine hydrochlorideHCID 21499410—

Reaction Steps

5,5-Dimethyl-10-hydroxy-8-(3-methyl-2-octyl)-2-methyl-1,2,3,4-tetrahydro-5H-[1]benzopyrano[3,4-d]pyridine, γ-morpholinobutyric acid hydrochloride and dicyclohexylcarbodiimide are combined in equimolar amounts in methylene chloride and reacted as in Example 1 to give the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03991194
Source datasetuspto-grants-1976_11
ORD IDord-5b1fd9d57fd54f0aac6da0a66d59b05e
Source noteuspto-grants-1976_11