(R)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine

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Names

[ Name ]:
(R)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine

[Synonym ]:
(2R)-2-Isopropyl-3,6-dimethoxy-2,5-dihydropyrazine
(R)-Schollkopf Reagent
Schollkopf reagent
(R)-(-)-2-Isopropyl-3,6-dimethoxy-2,5-dihydropyrazine
Pyrazine, 2,5-dihydro-3,6-dimethoxy-2-(1-methylethyl)-, (2R)-
(2R)-3,6-dimethoxy-2-propan-2-yl-2,5-dihydropyrazine
(2R)-3,6-dimethoxy-2-(propan-2-yl)-2,5-dihydropyrazine
(R)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine
MFCD00040565

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
245.2±33.0 °C at 760 mmHg

[ Molecular Formula ]:
C₉H₁₆N₂O₂

[ Molecular Weight ]:
184.236

[ Flash Point ]:
85.6±17.9 °C

[ Exact Mass ]:
184.121185

[ PSA ]:
43.18000

[ LogP ]:
-0.40

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.503

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xi

[ Safety Phrases ]:
S23-S24/25

[ RIDADR ]:
NA 1993 / PGIII

[ WGK Germany ]:
3

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Trimethyloxonium tetrafluoroborate
(R)-3-Isopropylpiperazine-2,5-dione
Z-D-Val-OH
N-benzyloxycarbonyl-(2R)-valinylglycine methyl ester
H-D-Val-OH
Boc-D-Valine
methyl N-(tert-butoxycarbonyl)-D-valyl-glycinate

DownStream

H-D-Val-OH
H-D-Val-OMe.HCl

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

U. Schöllkopf, H.-J- Neubauer

Synthesis , 861, (1982)

(R)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine
(2R,5S)-2,5-dihydro-3,6-dimethoxy-2-isopropylpyrazine-5-spiro-(3-cyclohexen-2-one)
(r)-2,5-dihydro-3,6-diethoxy-2-isopropylPyrazine
Pyrazine, 2,5-dihydro-3,6-dimethoxy-2-propyl-, (2S)- (9CI)
(2R,5S)-2,5-dihydro-3,6-dimethoxy-2-[(2',5'-difluorophenyl)methyl]-5-isopropylpyrazine
(2R,5S)-2,5-dihydro-3,6-dimethoxy-2-(2′-fluoro-4′-(trifluoromethyl)benzyl)-5-isopropylpyrazine
7-cyclohexyl-3-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine
4-{3-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidin-7-yl}pyridine
7-cyclopentyl-3-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine
3-Methyl-7-(propan-2-yl)-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine
7-(dimethoxymethyl)-3-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine
2-{6-methyl-4H,5H,6H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl}ethan-1-amine
2-[2-(2-aminoethyl)-4H,5H,6H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]ethan-1-ol
Tert-butyl 4-(2-aminoethyl)-2,3,5,7,11-pentaazatricyclo[7.4.0.0,2,6]trideca-3,5-diene-11-carboxylate
2-{5-methyl-4H,5H,6H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl}ethan-1-amine
2-{7-tert-butyl-4H,5H,6H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl}ethan-1-amine

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