๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

A New Way to SiC Ceramic Precursors by Catalytic Preparation of Preparation Polymers

โœ Scribed by Bruno Boury; Leslie Carpenter; Prof. Robert J. P. Corriu


Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
353 KB
Volume
29
Category
Article
ISSN
0044-8249

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Preparation of tritium-labeled compounds
โœ Richard C. Thomas; George J. Ikeda; J. Allan Campbell; Harry Harpootlian ๐Ÿ“‚ Article ๐Ÿ“… 1975 ๐Ÿ› John Wiley and Sons ๐ŸŒ French โš– 683 KB

## Abstract A group of ฮ”^4^โ€3โ€keto steroids was prepared by catalytic reduction of suitable conjugated dieneโ€3โ€keto precursors with tritium gas. Thus, 11ฮฑโ€hydroxyโ€4โ€pregneneโ€3,20โ€dioneโ€7โ€^3^H (I), 20ฮฑโ€hydroxyโ€4โ€pregnenโ€3โ€oneโ€7โ€^3^H (II), 6ฮฑโ€methylโ€4โ€pregneneโ€3,11,20โ€trioneโ€7โ€^3^H (III), 17ฮฑโ€hydroxy