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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2116864Generated: October 31, 2026

Pentamethylsilylamine → Bis(dimethylamino)-N,N-dimethylmethaniminium methyl sulfate

https://huagongshe.com/reaction/2116864

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPentamethylsilylamineHCID 74965—
ReactantHCID 178483689HCID 178483689—
SolventChloroformHCID 6212—
ProductBis(dimethylamino)-N,N-dimethylmethaniminium methyl sulfateHCID 1312787795.5%

Reaction Steps

10 ml of dry chloroform and 1.29 g (11.00 mmol) of N,N-dimethyltrimethylsilylamine are added to 2.45 g (9.93 mmol) of bis(dimethylamino)chlorocarbenium methylsulfate. The reaction mixture is stirred for 1 hour at room temperature, and all volatile compounds are subsequently removed under reduced pressure. The residue is dried for a further 1 hour under reduced pressure at 7.0 Pa and an oil-bath temperature of 50° C., giving 2.42 g of hexamethylguanidinium methylsulfate, corresponding to a yield of 95.5%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07439395B2
Source datasetuspto-grants-2008_10
ORD IDord-53f587e8cfe14d7ba855527992d01d50
Source noteuspto-grants-2008_10