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Home > Encyclopedia > 1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine

1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine

1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine structure

1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine 

structure
  • CAS No:

    4271-96-9

  • Formula:

    C6H12N2

  • Chemical Name:

    1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine

  • Synonyms:

    Pyrimidine,1,4,5,6-tetrahydro-1,2-dimethyl-;1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine;1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine;2,3-Dimethyl-3,4,5,6-tetrahydropyrimidine;Addocat 1872

  • Categories:

    Organic Chemistry  >  Hydrazine or Hydroxylamine Derivatives

1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine Basic Attributes

112.17

112.17

224-262-2

F4M3LG4PSU

DTXSID3063382

2933599090

Characteristics

15.6

-0.2

Slight yellow to colorless

1.0±0.1 g/cm3

86-90 °C @ Press: 15 Torr

69.8±18.2 °C

1.513

Safety Information

3267

R22

S23-S26-S36/37/39

Xi

P260, P264, P270, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P363, P405, P501

H302

|Danger|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P260, P264, P270, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P361, P363, P405, and P501|Aggregated GHS information provided by 105 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine Use and Manufacturing

Methods of Manufacturing

Add 200 mL of PPE to the N-[3-(methylamino)propyl]-acetamide solution obtained in the previous step and control it by microwave.The temperature is 80 ° C, the reaction is 2 h, After completion, after purification, the product is purified.1, 2-dimethyl-1, 4, 5, 6-tetrahydropyrimidine240 g, yield 94.42percent.The mixture of N-methyl-1, 3-diaminopropane (4.41 g, 50 mmol) and N, N-dimethylacetamide dimethyl acetal (90percent purity, 7.77 g, 52.5 mmol) was stirred at 80 °C without solvent. After 1 h, the mixture was evaporated in vacuo, and the residue was distilled under reduced pressure to give 1a (5.33 g, 95percent) as a colorless liquid; B.p. 62–64 °C/1.0 kPa.

Pyrimidine, 1,4,5,6-tetrahydro-1,2-dimethyl-: ACTIVE

Computed Properties

Molecular Weight:112.17
XLogP3:-0.2
Hydrogen Bond Acceptor Count:1
Exact Mass:112.100048391
Monoisotopic Mass:112.100048391
Topological Polar Surface Area:15.6
Heavy Atom Count:8
Complexity:107
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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