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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 909723Generated: October 26, 2026

4-Hydroxybenzaldehyde → Cis-(6-benzhydryl-tetrahydropyran-3-yl)-(4-hydroxy-benzyl)-amine

https://huagongshe.com/reaction/909723

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-HydroxybenzaldehydeHCID 126—
ReactantAcetic AcidHCID 176—
ReactantSodium cyanoborohydrideHCID 5003444—
ReactantCis-(6-benzhydryl-tetrahydropyran-3-yl)-amineHCID 11565229—
Solvent1,2-DichloroethaneHCID 11—
SolventMethanolHCID 887—
ProductCis-(6-benzhydryl-tetrahydropyran-3-yl)-(4-hydroxy-benzyl)-amineHCID 1154525081.3%

Reaction Steps

Trans-5-amino-2-diphenylmethyl-tetrahydropyran 15 (0.15 g, 0.56 mmol) was reacted with 4-hydroxybenzaldehyde (0.067 g, 0.56 mmol) in the presence of glacial acetic acid (0.034 g, 0.56 mmol) in 1,2-dichloroethane (20 ml), and NaCNBH3 (0.042 g, 0.67 mmol) in methanol (5 ml) (Procedure D) to give compound 16h (0.17 g, 80%) as an oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08017791B2
Source datasetuspto-grants-2011_09
ORD IDord-9793c74ca6bc4c0082d94592ba1c24ce
Source noteuspto-grants-2011_09