1,3-Dimethyl-3,4,5,6-tetrahydro-2 (1H) -pyrimidinone CAS 7226-23-5

Believe Chemical ke China e etelletseng pele1,3-Dimethyl-3,4,5,6-tetrahydro-2 (1H) -pyrimidinone CAS 7226-23-5mohlahisi, morekisi le morekisi kantle ho naha. Ho khomarela ho lelekisa boleng bo phethahetseng ba lihlahisoa, e le hore 1,3-Dimethyl-3,4,5,6-tetrahydro-2 (1H) -pyrimidinone CAS 7226-23-5 ea rona e khotsofatsoe ke bareki ba bangata. Shandong Dumela

Re hantle melemo ea lihlahisoa tsa lik'hemik'hale tšimong. Lihlahisoa tsa rona li romeloa linaheng tse ling ho ea Europe, United States, Japane, Korea Boroa, Asia Boroa-bochabela le linaheng tse ling le libaka. Ka saense le thekenoloji e le tataiso, botšepehi e le motheo, boleng e le bophelo, le ho itšetleha ka khopolo ea khoebo ea ho nchafatsa le nts'etsopele, re tšepa ka tieo ho theha phapanyetsano le tšebelisano e pharaletseng le bareki ba malapeng le ba tsoang linaheng tse ling ho theha nala!

1,3-Dimethyl-3,4,5,6-tetrahydro-2 (1H) -pyrimidinone CAS 7226-23-5 Tlhaloso ea Lik'hemik'hale

1,3-Dimethyl-3,4,5,6-tetrahydro-2 (1H) -pyrimidinone CAS 7226-23-5 Lisebelisoa tsa Lik'hemik'hale

Sebaka sa ho qhibiliha -20°C
Sebaka se belang 146°C44mmHg(lit.)
Boima ba 1.06g/mL ho 25°C(lit.)
Khatello ea mouoane 0.5hPa(57°C)
Refractive index n20/D1.488(lit.)
Sebaka se benyang ke 121°C
Maemo a polokelo Boloka ka tlase ho 30°C.
SolubilityChemicalbookChloroform(Hanyenyane),EthylAcetate(Hanyenyane)
Mokelikeli oa foromo
Acidity coefficient (pKa) -0.65±0.20(E boletsoeng esale pele)
ColourClearlesstoslightly yellowly

1,3-Dimethyl-3,4,5,6-tetrahydro-2 (1H) -pyrimidinone CAS7226-23-5Kopo

N, N-dimethylpropenylurea (DMPU) bakeng sa tokiso le sebopeho sa alkaline lefatše tšepe iodide phosphine oxide le urea complexes.

Non-polar solvent, toxicity e tlase haholo, khanya le mocheso ho hanyetsa, acid e matla le ho hanyetsa alkali, solubility e ntle, e ka qhala li-organic, inorganic, macromolecules tse fapa-fapaneng, joalo-joalo Litokisetsong tsa meriana, li ka ekeletsoa e le mothusi ho ntlafatsa lebelo la ho monya lithethefatsi. le ho lelefatsa nako ea ts'ebetso.

DMPU ke multifunctional aprotic polar solvent bakeng sa N-alkylation ea chiral primary amines, O-alkylation of aldoses le synthesis ea poly(aryl ethers); e ka nka sebaka ka katleho Chemicalbook's carcinogenic HMPA , e sebetsa e le cosolvent bakeng sa li-nucleophile tse sebetsang haholo le metheo; e na le khetho e phahameng ea Z ka sebopeho sa enolate; DMPU e bonts'a ho se fetohe le polokeho.