FMOC-ASP-ODMAB Chemical Properties

Boiling point:

838.4±65.0 °C(Predicted)

Density 

1.264±0.06 g/cm3(Predicted)

storage temp. 

Store at -15°C to -25°C.

pka

4.01±0.19(Predicted)

FMOC-ASP-ODMAB Usage And Synthesis

Chemical Properties

FMOC-ASP-ODMAB is Yellow powder

Uses

The Dmab group can be cleaved selectively in the presence of tBu-based protected groups by treatment with 2% hydrazine in DMF, making this derivative an extremely useful tool for the preparation of cyclic peptides by FMOC SPPS

General Description

Quasi-orthogonally-protected Asp derivative.

The Dmab group can be removed selectively in the presence of tBu-based protecting groups by treatment with 2% hydrazine in DMF [1], making this derivative an extremely useful tool for the preparation of cyclic peptides by Fmoc SPPS or for library synthesis.

Occasionally sluggish cleavage of the aminobenzyl moiety is observed [2, 3]. In these instances, washing the support with 20% DIPEA in DMF/water (9:1) [2] or HCl in dioxane [4] has been found to be efficacious.

For the on-resin synthesis of side-chain to side-chain lactam bridged peptides, the combination of Lys(ivDde) and Asp(ODmab) is particularly advantageous since both side-chains can be simultaneously unmasked in a single step.

To avoid aspartimide formation, it is advisable to employ an Hmb- or Dmb-protected derivative for introduction of the preceding residue.

For applications of this derivative in the synthesis of cyclic peptides, see references [5 - 7].

The product number for this product was previously 04-12-1176.

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”.

FMOC-ASP-ODMAB(172611-77-7)Related Product Information

• L-Cysteine
• Fmoc-L-aspartic acid