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

  • 2,2-Difluoro-3-methylhexanoic acid
  • (NE)-N-(2-hexylcyclohexylidene)hydroxylamine
  • 4-Hydrazinyl-2-methyl-8-(trifluoromethyl)quinoline
  • 5-Bromobicyclo[3.1.1]heptane-1-carboxylic acid
  • (1E)-4,4-Dimethyl-1-(2-thienyl)-1-penten-3-one
  • Tert-butyl 3-(2-methyl-3-(thiophen-2-yl)pyrazolo[1,5-a]pyrimidin-7-yl)piperidine-1-carboxylate
  • N1-[[3-Ethoxy-4-[(4-methylphenyl)methoxy]phenyl]methyl]-1H-tetrazole-1,5-diamine
  • 5-Chloro-4-hydrazinyl-8-methylquinoline
  • 3-Methoxy-2-oxopropanal
  • (2R)-3-Methyl-2-([(prop-2-en-1-yloxy)carbonyl]amino)butanoic
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