C07C45/292

Process for the preparation of 17β-hydroxy-des-A-androst-9,10-en-5-one

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.

PROCESS FOR THE PREPARATION OF 17BETA-HYDROXY-DES-A-ANDROST-9,10-EN-5-ONE

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.

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PROCESS FOR THE PREPARATION OF 17BETA-HYDROXY-DES-A-ANDROST-9,10-EN-5-ONE

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.

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Hinokitiol analogues, methods of preparing and pharmaceutical compositions thereof

Disclosed are analogues of hinokitiol, methods for preparing them, and pharmaceutical compositions thereof. Also disclosed are methods for their use in treating iron-related diseases.

Hinokitiol analogues, methods of preparing and pharmaceutical compositions thereof

Disclosed are analogues of hinokitiol, methods for preparing them, and pharmaceutical compositions thereof. Also disclosed are methods for their use in treating iron-related diseases.

PHOTOLABILE PRO-FRAGRANCES

A method for producing photo-cleavable fragrance pre-cursors is described, which includes potential stereoselective method steps, agents containing the fragrance pre-cursors and the use of the fragrance pre-cursors for prolonging the scent impression in the agent and on surfaces treated with said agent.

PHOTOLABILE PRO-FRAGRANCES

A method for producing photo-cleavable fragrance pre-cursors is described, which includes potential stereoselective method steps, agents containing the fragrance pre-cursors and the use of the fragrance pre-cursors for prolonging the scent impression in the agent and on surfaces treated with said agent.

METHODS OF SYNTHESIZING CANNABIDIOL, DERIVATIVES THEREOF, AND OTHER PHYTOCANNABINOIDS
20250282743 · 2025-09-11 ·

Provided herein are synthetic methods for the preparation of cannabidiol (CBD) and delta-9-tetrahydrocannabinol (THC) as well as derivatives thereof as racemic mixtures or in enantiopure form. Also provided herein are synthetic methods for the preparation of relevant intermediates in the process.