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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2100690Generated: October 31, 2026

Sodium hydride → 1-Methyl-3-{4-[1-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-vinyl]-benzyl}-imidazolidine-2,4-dione

https://huagongshe.com/reaction/2100690

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium hydrideHCID 24758—
ReactantMethanesulfonyl chlorideHCID 31297—
Reactant1-MethylhydantoinHCID 69217—
Reactant{4-[1-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-vinyl]-phenyl}-methanolHCID 57799975—
SolventTriethylamineHCID 8471—
Product1-Methyl-3-{4-[1-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-vinyl]-benzyl}-imidazolidine-2,4-dioneHCID 1116631742.6%

Reaction Steps

Adopting the procedure outlined for example 9 using 40.0 mg (0.12 mmol) of {4-[1-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-vinyl]-phenyl}-methanol, 0.05 mL of methanesulfonyl chloride, 0.10 mL of NEt3, 300 mg of 1-methyl-hydantoin, and 63 mg of NaH, 22.0 mg of the product was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07572816B2
Source datasetuspto-grants-2009_08
ORD IDord-a480d12483024fb597a95a77b9f152c4
Source noteuspto-grants-2009_08