Diphenylmethane diisocyanate → Toluene 2,4-Diisocyanate

HRID 643184

Reaction equation

HRID 643184 reaction equation
C1C([CH2:7][C:8]2[CH:13]=[CH:12][C:11]([N:14]=[C:15]=[O:16])=[CH:10][CH:9]=2)=CC=C(N=C=O)C=1.[N-:20]=[C:21]=[O:22].[N-]=C=O.CC1C(C)=C(C)C(C)=C(C)C=1C.[N-]=C=O.[N-]=C=O.COC1C=CC=CC=1C1C=CC=CC=1OC.C1(N=C=O)C(N=C=O)=CC=CC=1.[N-]=C=O.[N-]=C=O.C1C=CC(C2C=CC=CC=2)=CC=1.CC(C)(CC(C)CCN=C=O)CN=C=O.CC(CC(C)(C)CCN=C=O)CN=C=O>>[CH3:7][C:8]1[C:9](=[CH:10][C:11](=[CH:12][CH:13]=1)[N:14]=[C:15]=[O:16])[N:20]=[C:21]=[O:22]

Participants

8

Reactant 7

HCID 7570Diphenylmethane diisocyanate2×HCID 61807Hexane, 1,6-diisocyanato-2,4,4-trimethyl-HCID 618581,6-Diisocyanato-2,2,4-trimethylhexaneHCID 11309666Phenylene diisocyanateHCID 218853271,1'-Biphenyl,4,4'-diisocyanato-HCID 867348163,3'-Dimethoxy-4,4'-biphenyldiisocyanateHCID 86760756Tetra-methyl xylene diisocyanate

Product 1

HCID 11443Toluene 2,4-Diisocyanate

Procedure

diphenylmethane-4,4′-diisocyanate (MDI); hydrogenated diphenylmethane-4,4′-diisocyanate (H12MDI); tetra-methyl xylene diisocyanate (TMXDI); hexamethylene-1,6-diisocyanate (HDI), of the formula OCN—(CH2)6—NCO naphthalene-1,5-diisocyanate; 3,3′-dimethoxy-4,4′-biphenyldiisocyanate; 3,3′-dimethyl-4,4′-bimethyl-4,4′-biphenyldiisocyanate; phenylene diisocyanate; 4,4′-biphenyldiisocyanate; 2,2,4-trimethylhexamethylene diisocyanate and 2,4,4-trimethylhexamethylene diisocyanate, of the formulae

Sources & evidence

ORD record
ord-16a7d1151ad340858b0fdfd8f97a321e
Source dataset
uspto-grants-2010_04
Patent number
US07699922B2

Linked notes

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