(DHQ)2PHAL  (Synonyms: Hydroquinine 1,4-phthalazinediyl diether; 1,4-Bis(dihydroquinine)phthalazine; (DHQ)2PHAL)

(DHQ)2PHAL (Hydroquinine 1,4-phthalazinediyl diether; 1,4-Bis(dihydroquinine)phthalazine) can be utilized as chiral ligand in asymmetric dihydroxylation^[1].

778.98

C₄₈H₅₄N₆O₄

140924-50-1

Solid

White to off-white

CC[C@@H]1[C@@]2([H])CC[N@@](C1)[C@](C2)([H])[C@H](OC3=NN=C(C4=C3C=CC=C4)O[C@@H]([C@]5([H])C[C@]6([H])CC[N@]5C[C@@H]6CC)C7=CC=NC8=C7C=C(OC)C=C8)C9=C(C=C(OC)C=C%10)C%10=NC=C9

Room temperature in continental US; may vary elsewhere.

4°C, protect from light, stored under nitrogen

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

• [1]. Liu Q, Zhang Z, van Rantwijk F, et al. Osmium-catalyzed asymmetric dihydroxylation of olefins in ionic liquids: the effect of the chiral ligand structure on recyclability[J]. Journal of Molecular Catalysis A: Chemical, 2004, 224(1-2): 213-216.