Ethanol → Diisocyanatotoluene

HRID 1974573Notes

Reaction equation

HRID 1974573 reaction equation
N([C:4]1[CH:9]=[C:8](N=C=O)[CH:7]=[CH:6][C:5]=1[CH3:13])=C=O.[N:14](C1C=CC=C(N=C=O)C=1C)=[C:15]=[O:16].C[N:28]([CH:30]([OH:33])CC)C.C(O)C>C1(C)C=CC=CC=1>[CH:8]1[CH:9]=[CH:4][C:5]([CH:13]([N:28]=[C:30]=[O:33])[N:14]=[C:15]=[O:16])=[CH:6][CH:7]=1

Participants

6

Reactant 4

HCID 702EthanolHCID 7040Toluene 2,6-DiisocyanateHCID 11443Toluene 2,4-DiisocyanateHCID 116739Propanol, (dimethylamino)-

Product 1

HCID 12905475Diisocyanatotoluene

Reagents, catalysts & solvents 1

HCID 1140TolueneSolvent

Procedure

The partially capped toluylene diisocyanate was prepared by reacting a technical grade mixture of 1.95 kg of 2,4-diisocyanatotoluene (11.2 mol) and 490 g of 2,6-diisocyanatotoluene (2.8 mol) with a mixture of 720 g of dimethylaminopropanol (9.1 mol) and 320 g of ethanol (7 mol) at 50° C. in 900 g of toluene.

Sources & evidence

ORD record
ord-ef49cc14632f465a8fd6e1b63576c078
Source dataset
uspto-grants-1994_02
Patent number
US05283269

Reaction notes

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