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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1154905Generated: November 1, 2026

Propylenediamine → HCID 178440162, compound

https://huagongshe.com/reaction/1154905

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPropylenediamineHCID 6567—
ReactantIsobutyric AcidHCID 6590—
ProductHCID 178440162HCID 17844016280%

Reaction Steps

The procedure described in Example 5 is followed except that 176 parts of isobutyric acid and 162.8 parts of 1,2-diaminopropane are employed. 201 parts of 2-isopropyl-4(5)-methylimidazoline (80% of theory, based on isobutyric acid employed) of boiling point 105°-106° C./32 mbar are obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04298748
Source datasetuspto-grants-1981_11
ORD IDord-1880a7a083f3434883c9cd1de2240470
Source noteuspto-grants-1981_11