Stereochemistry of formation of methyl and ethyl groups in bacteriochlorophyll a
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 13,p. 645-647
- https://doi.org/10.1039/c39810000645
Abstract
δ-Aminolaevulinic acid has been synthesised carrying 2H and 3H isotopes at C-2 in the S-configuration; this has been incorporated by Rhodopseudomonas spheroides into bacteriochlorophyll a, degradation of which has established the mode of addition of hydrogen to the precursor vinyl group to form the ring-B ethyl group and that the decarboxylation to form the ring-B methyl group occurs with retention.Keywords
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