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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 589715Generated: October 30, 2026

Lithium Hexamethyldisilazide → HCID 66799791, compound

https://huagongshe.com/reaction/589715

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HexamethyldisilazideHCID 2733832—
ReactantHCID 66799887HCID 66799887—
ProductHCID 66799791HCID 6679979118.7%

Reaction Steps

The intermediate ethyl 3-{[(5-amino-3-methyl-1-benzothien-2-yl)sulfonyl]amino}benzoate was prepared from ethyl 3-{[(5-bromo-3-methyl-1-benzothien-2-yl)sulfonyl]amino}benzoate (Intermediate 18) (45 mg, 0.1 mmol) and LiHMDS (1M in THF, 120 μL, 0.12 mmol) according to General Procedure 4, described in Example 45, using a modified reaction time and reaction temperature (100° C., 1500 s, microwave reactor) yielding 7.3 mg of ethyl 3-{[(5-amino-3-methyl-1-benzothien-2-yl)sulfonyl]-amino}benzoate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09233946B2
Source datasetuspto-grants-2016_01
ORD IDord-e9c3c9d732ed4682822fe10677b61c09
Source noteuspto-grants-2016_01