An enzyme-mediated method for the production of 3a-ethyl-6,6,9a-trimethyldodecahydronaphtho[2,1-b]furan, the products of said method, and uses of said products.

An enzyme-mediated method for the production of 3a-ethyl-6,6,9a-trimethyldodecahydronaphtho[2,1-b]furan, the products of said method, and uses of said products.

Compounds of Formula I and the pharmaceutically acceptable salts thereof are disclosed Formula I. The variables X.sup.1, X.sup.2, and R.sup.1-4 are disclosed herein. The compounds are useful for treating cancer and related proliferative diseases. Pharmaceutical compositions containing compounds of Formula I and methods of treatment comprising administering compounds of Formula I are also disclosed.

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Compounds of Formula I and the pharmaceutically acceptable salts thereof are disclosed Formula I. The variables X.sup.1, X.sup.2, and R.sup.1-4 are disclosed herein. The compounds are useful for treating cancer and related proliferative diseases. Pharmaceutical compositions containing compounds of Formula I and methods of treatment comprising administering compounds of Formula I are also disclosed.

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Squalene Hopene Cyclase (SHC) enzymes and variants thereof and their uses for making (−)-Ambrox from homofarnesol and Ambra oxide from bishomofarnesol.

There is provided SHC/HAC derivatives, amino acid sequences comprising the SHC/HAC derivatives, nucleotide sequences encoding the SHC/HAC derivatives, vectors comprising nucleotide sequences encoding the SHC/HAC derivatives, recombinant host cells comprising nucleotide sequences encoding the SHC/HAC derivatives and applications of the recombinant host cells comprising either SHC/HAC derivatives or WT SHC/HAC enzymes in methods to prepare (−)-Ambrox and SHC/HAC enzymes in methods to prepare (−)-Ambrox.

There is provided SHC/HAC derivatives, amino acid sequences comprising the SHC/HAC derivatives, nucleotide sequences encoding the SHC/HAC derivatives, vectors comprising nucleotide sequences encoding the SHC/HAC derivatives, recombinant host cells comprising nucleotide sequences encoding the SHC/HAC derivatives and applications of the recombinant host cells comprising either SHC/HAC derivatives or WT SHC/HAC enzymes in methods to prepare (−)-Ambrox and SHC/HAC enzymes in methods to prepare (−)-Ambrox.

The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent device with improved driving voltage and/or power efficiency can be provided by using the organic electroluminescent compound according to the present disclosure.

A method for purifying a crude flavor or perfumery or cosmetic ingredient or intermediate, for example crude (−)-Ambrox, comprising a number of washing steps, the products of said method, and uses of said product.

An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region includes a polycyclic compound represented by Formula 1, and the device shows high emission efficiency:

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