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B24474 2-Chloro-4,6-dimethoxy-1,3,5-triazine, 98%

CAS Number
3140-73-6
Synonyms

Stock No. Size Price ($) Quantity Availability
B24474-06 5g 38.30
B24474-14 25g 96.00
B24474-22 100g 319.00
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2-Chloro-4,6-dimethoxy-1,3,5-triazine, 98%

MDL
MFCD00075607
EINECS
221-541-0

Chemical Properties

Formula
C5H6ClN3O2
Formula Weight
175.58
Melting point
75-79°
Boiling Point
99-100°/1mm
Storage & Sensitivity
Ambient temperatures.
Solubility
Soluble in water, chloroform and methanol.

Applications

2-Chloro-4,6-dimethoxy-1,3,5-triazine is used as a peptide coupling agent for the purification of peptides. It is used in the synthesis of 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride through coupling with N-methylmorpholine in tetrahydrofuran. Further, it plays an important role in the production of bis(4,6-dimethoxy-1,3,5-triazin-2-yl) ether, through reaction with 2-hydroxy-4,6-dimethoxy-1,3,5-triazine. In addition to this, it is involved in the preparation of 2-(4,6-dimethoxy-1,3,5-triazinyl)trialkylammonium salts through reaction with various tertiary amines.

Notes

Incompatible with strong oxidizing agents.

Literature References

Reagent for activation of carboxylic acids to nucleophiles: J. Org. Chem., 63, 4248 (1998). Peptide coupling reagent: Synthesis, 917 (1987). With N-methylmorpholine forms the quaternary chloride (DMTMM) which is a valuable low-cost coupling agent in solid-phase peptide synthesis: Synlett, 275 (2000). For a reexamination of the use of the reagent in peptide coupling, see: Tetrahedron Lett., 42, 4161 (2002); see also Appendix 6.

Similarly, carboxylic acids are converted to Weinreb amides by reaction with N,O-dialkyl hydroxylamines: J. Org. Chem., 66, 2534 (2001).

Can also be used for the esterification of carboxylic acids: Synthesis, 593 (1999). The intermediate active esters can be hydrogenolyzed, providing a simple method for reduction of acids to aldehydes; at higher pressures, further reduction to the alcohol can be effected: J. Org. Chem., 64, 8962 (1999).

Iranpoor, N.; Panahi, F.; Jamedi, F. Nickel-catalyzed one-pot synthesis of biaryls from phenols and arylboronic acids via C-O activation using TCT reagent. J. Organomet. Chem. 2015, 781, 6-10.

Duangkamol, C.; Jaita, S.; Wangngae, S.; Phakhodee, W.; Pattarawarapan, M. Catalytic role of PPh3 and its polymer bound analog in the amidation of carboxylic acids mediated by 2,4,6-trichloro-1,3,5-triazine. Tetrahedron Lett. 2015, 56 (35), 4997-5001.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H317-H318-H335

Harmful if swallowed. May cause an allergic skin reaction. Causes serious eye damage. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P270-P271-P272-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P310-P312-P330-P333+P313-P363-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. If skin irritation or rash occurs: Get medical advice/attention. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
148988
Hazard Class
9
Packing Group
III
Harmonized Tariff Code
2933.69
TSCA
No

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