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8.55079 EMD Millipore

DHP HM resin (100-200 mesh)

Novabiochem®

Synonym: 3,4-Dihydro-2H-pyran-2-yl-methoxymethyl polystyrene (100-200 mesh), Ellman's dihydropyran resin

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Properties

brand family   Novabiochem
packaging   1 g in Glass bottle (8550790001)
  25 g in Plastic bottle (8550790025)
  5 g in Glass bottle (8550790005)
shipped in   ambient
storage temp.   Store at +2°C to +8°C.
specifications   Colour (visual): slight yellow to beige
  Appearance of substance (visual): beads
  Loading (determined from the substitution of the Fmoc-Gly-ol loaded resin): 0.70 - 1.20 mmol/g
  Swelling Volume (in CH₂Cl₂): lot specific result
  The polymer matrix is copoly (styrene-1% DVB), 100 - 200 mesh

Description

Background information

A highly versatile support for the solid phase immobilization of primary, secondary alcohols [1-11], phenols [12], purines [13], and indoles [14]. Derivatization is effected by treating the support in DCM with an excess of alcohol in the presence of a catalytic amount of pyridinium p-toluenesulfonate. A similar DHP-based support has also been used for the immobilization of tetrazoles [15].

Release of the product alcohol from the support has been carried out by treating with 95% TFA/5% water [1] and TFA/DCM/EtOH [2, 12]. However, the use of TFA can lead, in some cases, to trifluoroacetate formation. Methods which eliminate this potential side reaction include PPTS/BuOH/DCE [3], TosOH in DCM [16] and TosOH in DCE/BuOH [17].

The product number for this product was previously 01-64-0192.

To obtain a certificate of analysis (CoA) of a lot that begins with the letter "A", please select the option in the right hand menu "Request a COA for Lot#s starting with A".

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Safety & Documentation

Safety Information

HS Code 
3903 90 90
Storage class 
10 - 13 Other liquids and solids
WGK 
WGK 1 slightly water endangering
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