Toluene → Diisocyanatotoluene

HRID 1974574Notes

Reaction equation

HRID 1974574 reaction equation
[N:1](C1C=C(N=C=O)C=CC=1C)=[C:2]=[O:3].[N:14](C1C=CC=C(N=C=O)C=1C)=[C:15]=[O:16].[C:27]1([CH3:33])[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=1>>[CH:30]1[CH:31]=[CH:32][C:27]([CH:33]([N:14]=[C:15]=[O:16])[N:1]=[C:2]=[O:3])=[CH:28][CH:29]=1

Participants

4

Reactant 3

HCID 1140TolueneHCID 7040Toluene 2,6-DiisocyanateHCID 11443Toluene 2,4-Diisocyanate

Product 1

HCID 12905475Diisocyanatotoluene

Procedure

The partially capped toluylene diisocyanate was prepared by reacting a technical grade mixture of 1.05 kg of 2,4-diisocyanatotoluene (6 mol) and 260 g of 2,6-diisocyanatotoluene (1.5 mol) with 1.03 kg of dibutylanine (8 mol) at 50° C. in 600 g of toluene

Sources & evidence

ORD record
ord-a810ee9049c241418769159f622a7eff
Source dataset
uspto-grants-1994_02
Patent number
US05283269

Reaction notes

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