Azo reactive dyestuffs
AssigneeBayer Aktiengesellschaft
InventorHorst Jager
Life of this patent
Estimating the term…
Abstract
Dyestuffs of the formula ##STR1## wherein R, T.sub.1, R.sub.1, R.sub.2, NR.sub.1 R.sub.2, T.sub.2, Z, B and. . . have the meaning given in the description, and their use for dyeing and printing materials containing hydroxyl groups or amide groups, such as textile fibers, filaments and fabrics of wool, silk, synthetic polyamide fibers and polyurethane fibers, and for the wash-fast dyeing and printing of natural or regenerated cellulose.
Claims10
Dyestuffs of the formula ##STR28## wherein R . . . hydrogen or lower alkyl,
- T.sub.1 . . . hydrogen, optionally substituted alkyl,
- aralkyl, cycloalkyl, aryl, heteroaryl, or a group
- of the formula --CN, --COOR.sub.1, --CONR.sub.1 R.sub.2, --COR.sub.1 or --OH,
- wherein
- R.sub.1 and R.sub.2 each independently of one another denote hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl, aryl or heteroaryl, or the group --NR.sub.1 R.sub.2 represents the radical of a five-membered or six-membered heterocyclic ring compound,
- T.sub.2 . . . hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl, aryl, heteroaryl, a sulpho, a nitro, a nitroso, an alkylsulphonyl, an arylsulphonyl or an acylamino group, a halogen atom, such as chlorine, bromine or fluorine, or a group of the formula --CN, --COOR.sub.1, --CONR.sub.1 R.sub.2 or --COR.sub.1,
- Z . . . hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl, aryl or heteroaryl,
- B . . . a direct bond or divalent bridge member and
- X . . . an acyl radical.
Dyestuffs of the formula ##STR30## wherein R and T.sub.1 '=lower alkyl,
- T.sub.2 '= ##STR31## halogen, nitro, sulpho, cyano or H, Z'=lower alkyl and
- X.sub.2 '=dichlorotriazinyl, monochlorotriazinyl, trihalogenopyrimidinyl, dihalogenopyrimidinyl or 2,3-dichloroquinoxaline-6-carbonyl.
Dyestuffs of the formula ##STR32## wherein R and T.sub.1 '=lower alkyl,
- T.sub.2 '= ##STR33## halogen, nitro, sulpho, cyano or H, Z'=lower alkyl and
- X.sub.2 '=monofluorotriazinyl.
Dyestuffs of the formula ##STR34## wherein R and T.sub.1 '=lower alkyl,
- T.sub.2 '= ##STR35## Z'=lower alkyl and X.sub.2 "=o- or p-sulphophenylamino-fluorotriazinyl.
Dependencies are inferred from the claim text.