There is described a method of preparing a compound of formula I, and optical isomers thereof; in which R.sup.1 is hydrogen or a protecting group; said method comprising oxidising verbenone and optical isomers thereof.

##STR00001##

There is described a method of preparing a compound of formula I, and optical isomers thereof; in which R.sup.1 is hydrogen or a protecting group; said method comprising oxidising verbenone and optical isomers thereof.

##STR00001##

There is described a method of preparing a compound of formula I, and optical isomers thereof; in which R.sup.1 is hydrogen or a protecting group; said method comprising oxidising verbenone and optical isomers thereof.

##STR00001##

The present invention relates to a new process for the synthesis of 17-hydroxy-des-A-androst-9,10-en-5-one, the compound of the following formula (1), which can be used as an intermediate in the synthesis of retroprogesterones.

##STR00001##

The present invention relates to a new process for the synthesis of 17-hydroxy-des-A-androst-9,10-en-5-one, the compound of the following formula (1), which can be used as an intermediate in the synthesis of retroprogesterones.

##STR00001##

The present disclosure relates to inhibitors of herpesvirus nucleic acid metabolism and inhibitors of Hepatitis B virus. Also provided are methods of treatment using these agents.

The present disclosure relates to inhibitors of herpesvirus nucleic acid metabolism and inhibitors of Hepatitis B virus. Also provided are methods of treatment using these agents.