Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate

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Names

[ CAS No. ]:
86477-09-0

[ Name ]:
Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate

[Synonym ]:
5,6-Dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylic acid ethyl ester
4H-Pyrrolo[1,2-b]pyrazole-2-carboxylic acid, 5,6-dihydro-, ethyl ester
Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate
W8879
4,5,6,7-tetrahydro-pyrrolo[2,1-e]pyrazole-2-carboxylic acid ethyl ester

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
320.0±30.0 °C at 760 mmHg

[ Molecular Formula ]:
C9H12N2O2

[ Molecular Weight ]:
180.204

[ Flash Point ]:
147.3±24.6 °C

[ Exact Mass ]:
180.089874

[ PSA ]:
44.12000

[ LogP ]:
0.97

[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C

[ Index of Refraction ]:
1.608

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • tfaa
  • Ethyl propiolate
  • 3a,4,5,6-tetrahydro-3-oxo-3H-pyrrolo[1,2-c][1,2,3]oxadiazol-7-ium ylide

DownStream

  • 5,6-Dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylic acid

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%

Related Compounds

  • Methyl 3-bromo-2-cyano-5-formylbenzoate
  • 4-(1,2,3-Thiadiazol-4-yl)pyrrolidin-2-one
  • 2-Ethoxy-5-iodobenzaldehyde
  • 3-(3-Chlorothiophen-2-yl)azetidine
  • (R)-2-((Difluoromethoxy)methyl)pyrrolidine
  • 3-(4-Bromo-2,6-difluorophenyl)azetidine
  • rel-tert-Butyl (4aR,8aR)-octahydro-4H-pyrido[4,3-b][1,4]oxazine-4-carboxylate
  • 1-[3-(3-Nitrophenoxy)propyl]pyrrolidine
  • 1-Benzyl-3-bromo-1H-pyrazole-5-carbaldehyde
  • 2-(3-Aminoazetidin-3-yl)ethan-1-ol
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