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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 620141Generated: October 29, 2026

Formaldehyde → HCID 23044724, compound

https://huagongshe.com/reaction/620141

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantDiethylamineHCID 8021—
ReactantHCID 4372292HCID 4372292—
SolventMethanolHCID 887—
ProductHCID 23044724HCID 2304472473.6%

Reaction Steps

22.2 g (44.0 mmol) of tetra-n-hexyl methylenebisphosphonate, 6.61 g (220.0 mmol) of paraformaldehyde and 3.22 g (64.0 mmol) of diethylamine are combined with the same reactants and the same conditions as described above in Example I. This mixture is then refluxed for 48 hours. After the methanol is eliminated as described above in Example I, about 17 g of tetra-n-hexyl ethenylidenebisphosphonate is produced as a clear liquid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04820698
Source datasetuspto-grants-1989_04
ORD IDord-00170c87b5f84ed6a030b4fab7efb88f
Source noteuspto-grants-1989_04