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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2419199Generated: November 1, 2026

P-Phenylenediamine → 4,4-Diaminodiphenylmethane

https://huagongshe.com/reaction/2419199

Reaction equation

Participants

RoleNameHCIDCharge
ReactantP-PhenylenediamineHCID 7814—
ReactantAcetic AnhydrideHCID 7918—
Product4,4-DiaminodiphenylmethaneHCID 7577—
ProductAcetic AnhydrideHCID 7918—

Reaction Steps

In a similar manner, if one substitutes for the reaction product of p-phenylene diamine and acetic anhydride in the above reaction, the compound resulting from the reaction of 4,4'-diaminodiphenylmethane and acetic anhydride, i.e., ##STR43## a polyamide imide is obtained having the formula ##STR44##

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04105646
Source datasetuspto-grants-1978_08
ORD IDord-7c665a8a14ed4dcaa2db1211c66cbd5c
Source noteuspto-grants-1978_08