HuagongsheHuagongshe Chemistry Print Report · For research reference only
Dapsone → Formaldehyde
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Dapsone | HCID 2955 | — |
| Reactant | 4,4-Diaminodiphenylmethane | HCID 7577 | — |
| Reactant | 4,4'-Diaminodiphenyl Ether | HCID 7579 | — |
| Reactant | P-Phenylenediamine | HCID 7814 | — |
| Reactant | M-Phenylenediamine | HCID 7935 | — |
| Reactant | 1,3-Benzenedimethanamine | HCID 15133 | — |
| Reactant | 1,4-Benzenedimethanamine | HCID 68315 | — |
| Reactant | 4,4'-Isopropylidenedianiline | HCID 75591 | — |
| Reactant | 4,4-Diaminobiphenyl | HCID 66911489 | — |
| Product | Formaldehyde | HCID 712 | — |
| Product | Aniline | HCID 6115 | — |
Reaction Steps
Examples of the preferable polyamine include metaphenylene diamine, paraphenylene diamine, metaxylylene diamine, paraxylylene diamine, 4,4-diaminobiphenyl, bis(4-aminophenyl)methane, bis(4-aminophenyl)ether, bis(4-aminophenyl)sulfone, 2,2-bis(4-aminophenyl)propane, melanins having s-triazine rings, and polyamine obtained by a reaction between aniline and formaldehyde (usually, an decanuclear or less substance is preferably used).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07595362B2 |
| Source dataset | uspto-grants-2009_09 |
| ORD ID | ord-c948ebb4ee364b569e352f30b89c7433 |
| Source note | uspto-grants-2009_09 |