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526290

Sigma-Aldrich

Piperazine, polymer-bound

200-400 mesh, extent of labeling: 1.0-2.0 mmol/g loading, 2 % cross-linked with divinylbenzene

Synonym(s):

Piperzine on polystyrene

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About This Item

MDL number:
MFCD03100921
UNSPSC Code:
12352128
PubChem Substance ID:
24874545
NACRES:
NA.22

crosslinking

2 % cross-linked with divinylbenzene

reaction suitability

reaction type: solution phase peptide synthesis
reactivity: proton reactive

extent of labeling

1.0-2.0 mmol/g loading

particle size

200-400 mesh

functional group

amine

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Features and Benefits

This support amine has been developed to serve as a Knoevenagel catalyst. Because it is polymer-bound, it eliminates piperidine-derived by-products and reduces transesterification while using alcohol as a solvent. Recently, this resin was shown to be recyclable in the synthesis of benzopyrones using "resin capture" methodology.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A method for the rapid synthesis of benzopyrone libraries employing a resin capture strategy.
A S Bhat et al.
Journal of combinatorial chemistry, 2(6), 597-599 (2000-12-29)
Simpson, J. et al.
Tetrahedron Letters, 40, 7031-7031 (1999)

Articles

Knoevenagel Condensation Reaction

Knoevenagel Condensation is an organic reaction named after Emil Knoevenagel. It is a classic C-C bond formation reaction and a modification of the Aldol Condensation.

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