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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1590635Generated: October 30, 2026

Pyridine → 1,8-Diazabicyclo(5.4.0)undec-7-ene

https://huagongshe.com/reaction/1590635

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantCarbonochloridateHCID 21226386—
SolventTetrahydrofuranHCID 8028—
Product1,8-Diazabicyclo(5.4.0)undec-7-eneHCID 81184—

Reaction Steps

Compounds of Formula (I) wherein R1 is --SO2NHCO2R23 may be prepared by reacting an appropriate chloroformate with the sulfonamide (9) in pyridine or in the presence of DBU in THF to afford the desired compound (10), as outlined in Scheme 2. ##STR15##

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05204354
Source datasetuspto-grants-1993_04
ORD IDord-a0e5cabcedbd4550bd180f1768da8f22
Source noteuspto-grants-1993_04