The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.

The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.

The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.

The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.

The invention is in the field of fragrances and relates to novel fragrance compounds according to general formula (I) derived from campholenic aldehyde with a sandalwood-based note and improved acid stabilities. Furthermore, the present invention also relates to fragrance compositions comprising one or more of the inventive compounds. Moreover, the invention relates to the use of these compounds or fragrance compositions as an odorant or for improving the fixation of a fragrance compound or a fragrance composition as well as for the preparation of a perfumed product. In addition, the present invention thus also refers to the use of said compounds or compositions for the preparation of a perfumed products as well as perfumed products as such.

The invention is in the field of fragrances and relates to novel fragrance compounds according to general formula (I) derived from campholenic aldehyde with a sandalwood-based note and improved acid stabilities. Furthermore, the present invention also relates to fragrance compositions comprising one or more of the inventive compounds. Moreover, the invention relates to the use of these compounds or fragrance compositions as an odorant or for improving the fixation of a fragrance compound or a fragrance composition as well as for the preparation of a perfumed product. In addition, the present invention thus also refers to the use of said compounds or compositions for the preparation of a perfumed products as well as perfumed products as such.

A cyclopentene ring compound having a characteristic aroma is disclosed. A cyclopentene ring compound represented by the following formula (1), is aromatically entirely unknown, and the cyclopentene ring compound has a leathery/woody aroma. Thus, uses of the cyclopentene ring compound are disclosed. Consumer products containing the cyclopentene ring compound are also disclosed.

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A cyclopentene ring compound having a characteristic aroma is disclosed. A cyclopentene ring compound represented by the following formula (1), is aromatically entirely unknown, and the cyclopentene ring compound has a leathery/woody aroma. Thus, uses of the cyclopentene ring compound are disclosed. Consumer products containing the cyclopentene ring compound are also disclosed.

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