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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1816213Generated: October 28, 2026

Formaldehyde → HCID 22179273, compound

https://huagongshe.com/reaction/1816213

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantTrimethyl phosphiteHCID 8472—
ReactantBromotrimethylsilaneHCID 76113—
ReactantFuran-3-sulfonamideHCID 22179283—
ProductHCID 22179273HCID 22179273—

Reaction Steps

3-Furylsulfonamide (x) was treated with paraformaldehyde and trimethylphosphite, followed by treatment with bromotrimethylsilane, according to the procedure described in Example 46, steps 2 and 3, to produce the title compound: 1H NMR (300 MHz, CD3OD) δH 8.13 (dd, J=1.5, 0.6 Hz, 1 H), 7.71 (t, J=1.8 Hz, 1 H), 6.78 (dd, J=1.8, 0.6 Hz, 1 H), 3.21 (d, J=13.5 Hz, 2 H); 13C NMR (75 MHz, CD3OD) δC 147.2, 146.4, 128.0, 109.3, 40.7 (d, J=158 Hz).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06884791B2
Source datasetuspto-grants-2005_04
ORD IDord-e4dab0d8a0874a3ba987205611bcc7fc
Source noteuspto-grants-2005_04