(3aalpha,4alpha,5beta,6aalpha)-(-)-Hexahydro-4-(hydroxymethyl)-2-oxo-2H-cyclopenta[b]furan-5-yl 1,1'-biphenyl-4-carboxylate (-)-Corey lactone, 4-PBP 4-Phenylbenzoyl corey lactone
WE make this product in GMP plant, and we can make a series of this product.
Appearance |
White to almost-white powder |
Solubility |
Soluble in chloroform, ethyl acetate, acetone; practically insoluble in water. |
Specific Rotation (alpha) |
-83°~-89° (20℃, c=1, CHCl3) |
Melting Range |
129℃~134℃ |
Loss on drying |
≤ 1.0% |
Residual solvents |
Pyridine l ≤ 0.02% |
|
Toluene ≤ 0.09% |
|
Hexane ≤ 0.02% |
|
Dichloromethane ≤ 0.06% |
E.E. Value |
≥99.9% |
Assay(HPLC) |
98.0%~102.0% |
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