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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 373131Generated: November 1, 2026

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

https://huagongshe.com/reaction/373131

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 -SO2NHCO2R22 may be prepared by reacting an appropriate chloroformate with the sulfonamide (39) in pyridine or in the presence of DBU in THF to afford the desired compound (41), as outlined in Scheme 12. ##STR54##

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05162340
Source datasetuspto-grants-1992_11
ORD IDord-c88ba714e60542d085d92521a1f02978
Source noteuspto-grants-1992_11