1,4,7-Trimethyl-1,4,7-triazacyclononane

1,4,7-Trimethyl-1,4,7-triazacyclononane
Names
Other names
Me3TACN, trimethyltriazacyclononane, N,N',N"-trimethyl-1,4,7-triazacyclononane
Identifiers
3D model (JSmol)
ChemSpider
EC Number 619-228-2
Properties
C9H21N3
Molar mass 171.29 g·mol−1
Appearance colorless oil
Boiling point 207.8 °C (406.0 °F; 480.9 K)
Hazards
GHS pictograms
GHS signal word Danger
H314
P260, P264, P270, P280, P301+312, P301+330+331, P303+361+353, P304+340, P305+351+338, P310, P321, P330, P363, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

1,4,7-Trimethyl-1,4,7-triazacyclononane is the heterocyclic compound with the formula (CH2CH2NCH3)3. This colorless liquid is the N-methylated derivative of triazacyclononane (TACN), a face-capping ligand that is popular in coordination chemistry. Unlike TACN, Me3TACN does not form 2:1 complexes owing to its greater bulk.[1]

Several related tridentate ligands have been prepared with diverse substituents on nitrogen.[2]

Generic octahedral metal complex of Me3TACN.

References

  1. ↑ Weighardt, Karl (1988). "1,4,7-Triazacyclononane and N,N',N"-Trimethyl-1,4,7-triazacyclononane - Two Versatile Macrocycles for the Synthesis of Monomeric and Oligomeric Metal Complexes". Pure and Applied Chemistry. 60: 509–16.
  2. ↑ Jason A. Halfen, William B. Tolman (1998). "C2‐Symmetric 1,4‐Diisopropyl‐7‐R‐1,4,7‐Triazacyclononanes". Inorganic Syntheses. 32: 75. doi:10.1002/9780470132630.ch12.
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