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270822 Sigma-Aldrich

Di-tert-butyl acetylenedicarboxylate

98%

Synonym: 2-Butynedioic acid di-tert-butyl ester, Di-tert-butyl 2-butynedioate

  • CAS Number 66086-33-7

  • Linear Formula (CH3)3COCOC≡CCOOC(CH3)3

  • Molecular Weight 226.27

  •  Beilstein Registry Number 1957547

  •  EC Number 266-135-4

  •  MDL number MFCD00008808

  •  PubChem Substance ID 24856403

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Properties

Related Categories Building Blocks, C12 to C63, Carbonyl Compounds, Chemical Synthesis, Esters,
InChI Key   FBCRUXRGQFLOMC-UHFFFAOYSA-N
assay   98%
bp   80-82 °C/0.05 mmHg(lit.)
mp   33-37 °C (lit.)

Description

Packaging

1, 5 g in glass bottle

General description

The cross-cyclotrimerization of di-tert-butyl acetylenedicarboxylate, silylacetylenes and acrylamides was studied with cationic rhodium(I)/(R)-tol-binap complex as catalyst. Glycosyl azides were subjected to 1,3-dipolar cycloaddition with di-tert-butyl acetylenedicarboxylate.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3261 8 / PGIII
WGK Germany 
3

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Peer-Reviewed Papers
15

References

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