SCHEDULED MAINTENANCE
From Messel shale extracts (50 million years) 4-methyl-sterols and the corresponding 3-ketones have been isolated (and fully characterised), together with triterpene alcohols and ketones; saturated and unsaturated sterols have also been detected, but in much smaller amounts.
G. Mattern, P. Albrecht and G. Ourisson, J. Chem. Soc. D, 1970, 1570 DOI: 10.1039/C29700001570
To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.
If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.
If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.
Read more about how to correctly acknowledge RSC content.
Please wait while we load your content...