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  • 358754 - 1,3,4,6,7,8-Hexahydro-2H-pyrimido[1,2-a]pyrimidine, polymer-bound

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358754 Sigma-Aldrich

1,3,4,6,7,8-Hexahydro-2H-pyrimido[1,2-a]pyrimidine, polymer-bound

200-400 mesh, extent of labeling: 2.6 mmol/g loading, 2 % cross-linked with divinylbenzene

Synonym: ‘7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene’ on polystyrene, 1,3,4,6,7,8-Hexahydro-2H-pyrimido[1,2-a]pyrimidine bound to polystyrene, 1,5,7-Triazabicyclo[4.4.0]dec-5-ene–polystyrene crosslinked with 2% DVB

  •  NACRES NA.22

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Properties

Related Categories Acids & Bases, Bases, Chemical Synthesis, Organic Bases, Solid Supported Synthesis,
Quality Level   200
crosslinking   2 % cross-linked with divinylbenzene
extent of labeling   2.6 mmol/g loading
particle size   200-400 mesh

Description

Packaging

1, 5, 25 g in glass bottle

Features and Benefits

This versatile polymer-bound base has been used as a reusable basic catalyst foe regioselective acylations; as both a base for the deprotonation of phenols and as a scavenger of excess phenil in the synthesis of aryl ethers from phenols; in the addition of dialkyl phosphites to a variety of carbonyl compounds, as well as, serving as a catalyst in the nitroaldol (Henry) reaction; and as a scavenger of activated ester electophiles.

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3263 8 / PGII
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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