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Name: 7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene   

CAS NO: 84030-20-6

Purity: 99% min

MF: C8H15N3

MW:153.225

BP:298.7±9.0 °C at 760 mmHg

Density:1.2±0.1 g/cm3

MP:N/A 

EINECS:281-791-1

Appearance: asked

Package: 25g, 100g, 500g, bulk package

Application:Organic synthesis intermediate

Other name:

2H-Pyrimido[1,2-a]pyrimidine, 1,3,4,6,7,8-hexahydro-1-methyl-;

1,3,4,6,7,8-hexahydro-1-methyl-2h-pyrimido(1,2-a)pyrimidine;

1-Methyl-1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine;

The ring-opening polymerization (ROP) of trimethylene carbonate (TMC) using a base-acid binary organo-catalyst system of 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene   CAS NO: 84030-20-6

(MTBD) and Bronsted acid trifluoromethanesulfonic acid (TFA) with benzyl alcohol (BnOH) as the initiator has been investigated. The 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene   CAS NO: 84030-20-6 (MTBD )and its conjugate-acid pair H-bonding bifunctional synergistic activation mechanism was demonstrated by NMR measurements, and the living/controlled nature of 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene   CAS NO: 84030-20-6 (MTBD)/TFA catalyzed ROP of TMC was confirmed by the kinetic and chain extension experiments. The controlled ROP of TMC with the optimal molar ratio of MTBD/TFA = 2/1 proceeded to afford well-defined PTMC with narrow molecular weight distributions (M-w/M-n similar to 1.1).

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