Hexahydro-s-triazines

The addition of copper to a boiling solution of benzenesulphonyl azide in methanol gave benzenesulphonamide 18 (80%) as the major product together with minor amounts of methylenebis(benzenesulphon-amide) 22 and 1,3,5-tris (benzenesulphonyl) hexahydro-s-triazine 23, resulting from condensation of 18 with the formaldehyde formed in the reaction 33>. Cuprous chloride was even more effective, but cuprous... 

The tris(acryloyl) derivative (R is CH = CH2) was subsequently developed as a fixing agent for use with the Basazol(BASF) dyes in the printing of cellulosic fibres, in conjunction with urea as hydrotrope [444]. It has also been shown [445] that aftertreatment with 1,3,5-tris(acryloyl)hexahydro-s-triazine or the tris ((3-chloropropionyl) derivative improves the wet... 

Nitriles can condense cyclically with aldehydes, in the presence of acid, to yield hexahydro-.s-triazines e.g., propionitrile and formaldehyde give the hexahydro-l,3,5-tripropionyl-s-triazine (25b).62 When benzo-nitrile (1 mole) and benzoyl chloride (2 moles) were heated to 150° with zinc (or stannic) chloride, a high yield of 2,4,6-triphenyl-3,5-diaza-pyrylium salt (46) was formed,623 which was converted into 2,4,6-triphenyl-s-triazine by ammonia. 

Modification of poly(carbodiimide) foams with polyols afford hybride foams containing urethane sections. However, the thermal stabilities of the poly (urethane carbodiimide) foams are lower. Using isocyanate trimerization catalysts, such as l,3,5-tris(3-dimethylaminopropyl)hexahydro-s-triazine, in combination with the phospholene oxide catalyst gives poly(isocyanurate carbodiimide) foams with improved high temperature properties. The cellular poly(carbodiimide) foams derived from PMDI incorporate six-membered ring structures in their network polymer structure. ... 

Modification of the poly(carbodiimide) foams, using polyols as comonomers, is possible, but the excellent thermal and flammability properties are reduced. Poly(carbodiimide isocyanurate) foams can also be continuously produced using 1,3,5-tris-(3-dimethylaminopropyl)-hexahydro-s-triazine as the cocatalyst. Other trimerization catalysts, such as potassium 2-ethylhexanoate and quaternary ammonium carboxylate (Dabco TMR 2) are also used as cocatalysts in the formation of poly(carbodiimide isocyanurate)... 

An active co-catalyst system was proposed (83). The system is composed of 2,4,6-tris(diethanolamino)-s-triazine and l,3,5-tris(3-dimethylamino i opyl) hexahydro-s-triazine. This catalyst was used to jx-epare rigid carbodiimide foams from TDI without external heating. 

A combination catalyst system comprising 2,4,6-tris(n-methylet-hanolamino)-s-triazine (I), and optionally, l,3,5-tris(3-dimethylaminopropyl)-hexahydro-s-triazine, bis(tributyltin) oxide or bis(triphenyltin) oxide was used for preparing carbodiimide foams. For example, a mixture of 0.5 g (I) and 50 g of tolylene diisocyanate was stirred at lOO C. The foaming started after 9 min and about 1 min after the foaming, the temperature in the vessel rose to 192 C the resulting foam occupied a volume of 800 ml (89, 90). 

To a resin flask are added 30 parts of distilled diisocyanate, 7 parts of ethylene dichloride, 0.2 part siloxane oxyalkylene copolymer, and 0.5 part tris(3-dimethylaminopropyl)hexahydro-s-triazine. The mixture reacts to form a hard, coarse foam of low flammability. 

Chem. Descrip. 1,3,5-Tris (2-hydroxyethyl)-hexahydro-s-triazine and 1,3,5-triethylenehexahydro-1,3,5-triazine in water Uses Biocide, bactericide, fungicide, yeast inhibitor for aq. systems, adhesives, polymer emulsions, fountain sol ns., paints Features Provides complete microbiological protection in wet state stable to light and pH 4-9 nonflamm. nonexplosive Properties Yel. clear liq. misc. with water immisc. with oil pH 7 (0.1% aq.)... 

CAS 4719TM-4 EINECS/ELINCS 225-208-0 Synonyms Hexahydro-1,3,5-(2-hydro) thyl)-s-triazine Hexahydro-1,3,5-triazine-1,3,5-triethanol Hexahydro-1,3,5-tris-(2-hydroxyethyl)-s-triaz-ine Hexahydro-1,3,5-tris (hydro) thyl) triazine 1,3,5-Triazine-1,3,5-(2H,4H,6H)-triethanol s-Triazine-1,3,5 (2H,4H,6H)-ttiethanol 1,3,5-Tris (2-hydroxyethyl) hexahydro-s-triazine 1,3,5-Tris (2-hydroxyethyl)... 

Tris (2-hydroxyethyl) hexahydro-1,3,5-triazine 1,3,5-Tris (2-hydroxyethyl) hexahydro-s-triazine N,N, N"-Tris (2-hydroxyethyl) hexahydrotriazine N,N, N"-Tris (P-hydroxyethyl) hexahydro-1,3,5-triazine. See Hydroxyethyl-s-triazine Tris (hydroxyethyl) isocyanurate 1,3,5-Tris (2-hydroxyethyl) isocyanurate Tris (2-hydroxyethyl) isocyanurate Tris (P-hydroxyethyl) isocyanurate N,N, N"-Tris (2-hydroxyethyl) isocyanurate 1,3,5-Tris (2-hydroxyethyl) isocyanuric acid. See Trishydroxyethyl triazine trione Tris (2-hydroxyethyl)-4-isododecylbenzenemethanaminium chloride. See Quaternium-30... 

Trisubstituted-hexahydro-s-triazines reacted with 3 equivalents of diethyl H-phosphonates at 100 °C for 6 h to afford aminomethyldiethylphosphonate [76]. 

Strong bases, such as potassium acetate, potassium 2-ethylhexoate, or amine-epoxide combinations are the most useful trimerization catalysts. Also, some special tertiary amines, such as 2,4,6-tris(A(,A(-dimethylaminomethyl) phenol (DMT-30), l,3,5-tris(3-dimethyl-aminopropyl)hexahydro-s-triazine, and ammonium salts (Dabco TMR) are good trimerization catalysts. 

Rey-Lafon, M. Trinquecoste, C. Cavagnat, R. and Forel, M. (1971) Etude des spectres de vibration de la Trinitro-1,3,5,-hexahydro-s-triazine, J. Chim. Phys. 68, 1533-1542. 

Hydroxymethyl)amino]alkanols result from the addition of formaldehyde to 2-hydroxy-alkylamines. Such compounds are the intermediates in the formation of 1,3-oxazolidines (e.g. 3.3.10.) or hexahydro-s-triazines (e.g. 3.3.18.) see Figures 13 and 10. 

The efficacy and the spectrum of effectiveness correspond to the amount of formaldehyde which may be released from the hexahydro-s-triazine derivative. 

Table 38 Antifungal spectrum of hexahydro-s-triazines. (I = (tetrahydro-2-furanyl)-methyl-derivative ...

There is a significantly prolonged antifungal action obtained in lubricoolants when compared to failure with the tris(2-hydroxyethyl)-derivative although the MIC of the two hexahydro-s-triazines do not differ very much. 

Grier, H., Witzel, B. E., Jakubowsky, J. A. and Dulaney, E. L., 1980. A broad spectrum hexahydro-s-triazine-inhibitor of microbial deterioration in cutting fluids. Dev. Indust. Microbiol. 21, 411-18. 

C9H15N3O3, 1,3,5-Triacetyl-2,4,6-hexahydro-s-triazine, 41B, 279 C9H15N3O6, 1,3,5-Triacetoxyhexahydro-1,3,5-triazine, 43B, 297 C9HigN02r 2,2,6,6-Tetramethyl-4-piperidinone-1-oxyl nitroxide (orthorhombic), 38B, 262 40B, 227 C9H16NO2 f 2,2,6,6-Tetramethyl-4-piperidone-1-oxyl (gas-ed), 40B,... 

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