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  • Enantioselective nanofiber-spinning of chiral calixarene receptor with guest.

Enantioselective nanofiber-spinning of chiral calixarene receptor with guest.

Chemical communications (Cambridge, England) (2007-11-21)
Yan-Song Zheng, Ao Ji, Xian-Jie Chen, Jin-Lan Zhou
PMID18019510
ABSTRACT

Chiral para-tert-butylcalix[4]arene bearing (S)-alpha-methylbenzylamine groups at lower rim only self-assembles with one of two enantiomers of 2,3-dibenzoyltartaric acid into coiled nanofibers and the coiled nanofibers only stack with the nanofibers having the same handedness to construct bigger ribbon-like fibers bearing porosity.

MATERIALS
Product Number
Brand
Product Description
345849
Sigma-Aldrich
Dibenzoyl-L-tartaric acid, 98%
Pricing and availability is not currently available.
M31104
Sigma-Aldrich
α-Methylbenzylamine, 99%
Pricing and availability is not currently available.
77880
Sigma-Aldrich
(R)-(+)-α-Methylbenzylamine, purum, ≥98.0% (sum of enantiomers, GC)
Pricing and availability is not currently available.
77879
Supelco
(R)-(+)-α-Methylbenzylamine, derivatization grade (chiral), LiChropur™, ≥99.0%
Pricing and availability is not currently available.
726621
Sigma-Aldrich
(R)-(+)-α-Methylbenzylamine, ChiPros®, produced by BASF, ≥99.0%
Pricing and availability is not currently available.
115541
Sigma-Aldrich
(R)-(+)-α-Methylbenzylamine, 98%
Pricing and availability is not currently available.
115568
Sigma-Aldrich
(S)-(−)-α-Methylbenzylamine, 98%
Pricing and availability is not currently available.
163449
Sigma-Aldrich
(+)-2,3-Dibenzoyl-D-tartaric acid, ≥98%, made from synthetic tartaric acid
Pricing and availability is not currently available.
33610
Sigma-Aldrich
(+)-2,3-Dibenzoyl-D-tartaric acid, ≥99.0% (T)
Pricing and availability is not currently available.