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US 6,632,953 B1Granted
Production of optically active phospholanes
AssigneeBASF SE
InventorsRainer Stürmer, Armin Börner, Jens Holz, Gudrun Voss
Life of this patent
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Abstract
Phospolanes and diphospholanes of the general formula I where: is H, C1-C6-aryl, alkylaryl, SiR32, R2 is alkyl or aryl, A is H, C1-C6-alkyl, aryl, Cl or B is a linker with 1-5 C atoms between the two P atoms, and their use as catalyst in asymmetric synthesis.
Claims8
A phospholane or diphospholane of the general formula I
- where:
- R is H, C1-C6-alkyl, aryl, alkylaryl, SiR32,
- R2 is alkyl or aryl,
- A is H, C1-C6-alkyl, aryl, Cl or
- B is a linker with 1-5 C atoms between the two P atoms.
2 more elements
Dependencies are inferred from the claim text.