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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 656521Generated: October 28, 2026

Acetic Acid → HCID 24801107, compound

https://huagongshe.com/reaction/656521

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantFormaldehydeHCID 712—
ReactantSodium triacetoxyborohydrideHCID 5049666—
ReactantHCID 68879582HCID 68879582—
SolventDichloromethaneHCID 6344—
ProductHCID 24801107HCID 24801107—

Reaction Conditions

Temperature0 °C

Reaction Steps

2-(4-fluorophenyl)-6-(1-((4-phenylpiperidin-4-yl)methoxy)ethyl)-4-(trifluoromethyl)pyridine (40 mg, 0.08 mmol), and formaldehyde (37 wt. % solution in water, 0.2 mL, 7.5 mmol) were combined in dichloromethane (2.0 mL) and cooled to 0° C. The reaction was treated with sodium triacetoxyborohydride (74 mg, 0.3 mmol) and a drop of acetic acid. The reaction was stirred at 0° C. for 30 min and at room temperature for 1 h. The solvent was removed in vacuo and the resulting crude mixture was concentrated and purified by preparative HPLC which afforded 10.0 mg (27%) 1H-NMR (CD3OD, 400 MHz) δ 8.09 (m, 1H), 7.93 (m, 1H), 7.14-7.58 (m, 9H), 4.51 (q, 1H), 3.36-3.52 (m, 2H), 2.80-2.93 (m, 2H), 2.59-2.79 (m, 5H), 2.04-2.24 (m, 2H), 1.42 (d, 3H), LC: Tr=1.952 min HPLC Method 1. Mass spec.: 473.36 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08071778B2
Source datasetuspto-grants-2011_12
ORD IDord-4a4d01d5f32c464186d49f07ce06b99a
Source noteuspto-grants-2011_12