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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1275775Generated: November 1, 2026

Sulfuric Acid → HCID 20638671, compound

https://huagongshe.com/reaction/1275775

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric AcidHCID 1118—
ReactantHCID 11164107HCID 11164107—
ReactantHCID 22117601HCID 22117601—
CatalystTrifluoroacetic acidHCID 6422—
ProductHCID 20638671HCID 20638671—

Reaction Steps

from 9-(3-ethylthien-2-yl)-9H-fluoren-9-ol and Nα -(9-fluorenylmethoxycarbonyl)-L-threonine methyl ester following method A, using trifluoroacetic acid as catalyst in place of H2SO4 ;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06162824
Source datasetuspto-grants-2000_12
ORD IDord-13705e78213742b09768e2f739666aaa
Source noteuspto-grants-2000_12