Hydroquinone → Benzoxazines

HRID 351951Notes

Reaction equation

HRID 351951 reaction equation
[NH2:1][CH2:2][CH2:3][CH2:4][Si](OCC)(OCC)OCC.[C:15]1(C=[CH:21][C:19](O)=[CH:18][CH:17]=1)[OH:16]>C1(C)C=CC=CC=1>[O:16]1[C:15]2[CH:17]=[CH:18][CH:19]=[CH:21][C:4]=2[CH:3]=[CH:2][NH:1]1

Participants

4

Reactant 2

HCID 785HydroquinoneHCID 13521(3-Aminopropyl)triethoxysilane

Product 1

HCID 17845026BenzoxazinesYield 65%

Reagents, catalysts & solvents 1

HCID 1140TolueneSolvent

Procedure

This compound was prepared according to the method described previously using 3-aminopropyltriethoxysilane (22.1 g, 100 mmole), paraformaldehade (6.3 g, 210 mmole), hydroquinone (5.5 g, 50 mmole), and toluene (150 ml). The final product was a viscous liquid. The yield was 65% of theory.

Workup

  1. customThis compound was prepared

Sources & evidence

ORD record
ord-63dde14dd6d043aeb066dd2e0f91cd0f
Source dataset
uspto-grants-2004_06
Patent number
US06743852B2

Reaction notes

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