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8.51012

Sigma-Aldrich

HCTU

O-(1H-6-Chlorobenzotriazole-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate Novabiochem®

Synonym(s):

2-(6-Chloro-1-H-benzotriazole-1-yl)-1,1,3,3-tetramethylaminium hexafluorophosphate, HCTU

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About This Item

Empirical Formula (Hill Notation):
C11H15ClF6N5OP
CAS Number:
Molecular Weight:
413.69
MDL number:
UNSPSC Code:
12352107
NACRES:
NA.22

Quality Level

product line

Novabiochem®

Assay

≥98% (HPLC)

form

powder

reaction suitability

reaction type: Coupling Reactions

manufacturer/tradename

Novabiochem®

mp

>185 °C

application(s)

peptide synthesis

storage temp.

2-8°C

InChI

1S/C11H15ClN5O.F6P/c1-15(2)11(16(3)4)18-17-10-7-8(12)5-6-9(10)13-14-17;1-7(2,3,4,5)6/h5-7H,1-4H3;/q+1;-1

InChI key

ZHHGTMQHUWDEJF-UHFFFAOYSA-N

General description

HCTU [1] is a novel aminium-based coupling reagent, analogous to HBTU, which in comparative studies was found to give superiort results to TBTU in the synthesis of difficult peptides [2], in hindered couplings [3], and cyclizations [4].

Associated Protocols and Technical Articles
Guide to Selection of Coupling Reagents

Literature references

[1] O. Marder, et al. (2002) Chimica Oggi, 37.
[2] G. Sabatino, et al. in ′Peptides 2002, Proceedings of the 27th European Peptide Symposium′, E. Benedetti & C. Pedone (Eds), Naples, Edizioni Ziino, 2002, pp. 272.
[3] M. Gude & S. Barthélémy in ′Peptides 2002, Proceedings of the 27th European Peptide Symposium′, E. Benedetti & C. Pedone (Eds), Naples, Edizioni Ziino, 2002, pp. 122.
[4] G. Sabatino, et al. in ′Peptide Revolution: Genomics, Proteomics & Therapeutics, , Proc. 18th American Peptide Symposium′, M. Chrev & T. K. Sawyer (Eds), Cardiff, American Peptide Society, 2003, pp. 49.

Application

  • High-throughput parallel synthesis optimization of Glucagon-like Peptide 1 receptor agonists: Describes the use of HCTU as a reactive coupling reagent in peptide synthesis, highlighting its effectiveness in the production of GLP-1 agonists. (Ramos-Colón et al., 2018).
  • An efficient synthesis of quinoxaline derivatives using HCTU as catalyst in DMF: Outlines a novel method for synthesizing quinoxaline and its derivatives using HCTU, highlighting its catalytic properties in facilitating efficient chemical reactions. (Sasane et al., 2023).
  • An efficient one-pot conversion of carboxylic acids into benzimidazoles via an HBTU-promoted methodology: Describes the use of HCTU in a methodology to convert carboxylic acids into benzimidazoles, noting its role alongside other carbodiimide agents. (Barasa and Yoganathan, 2018).

Linkage

Replaces: 01-62-0038

Analysis Note

Colour (visual): white to off white
Appearance of substance (visual): powder
Identity (IR): passes test
Assay (HPLC, area%): ≥ 98.0 % (a/a)
Solubility (1 mmole in 2 ml DMF): clearly soluble
Water (K. F.): ≤ 0.50 %

To see the solvent systems used for TLC of Novabiochem® products please click here.

Legal Information

Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Skin Sens. 1A

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Articles

Novabiochem® offers a large number of coupling reagents for in situ activation. In situ activating reagents are easy to use, fast reacting – even with sterically hindered amino acids, and their use is generally free of side reactions.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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