## Abstract A practical, highly stereoselective tenβstep synthesis of coenzyme Q~10~ (**1**) has been accomplished (overall yield __ca.__ 28%), starting from commercially available 2,3βdimethoxyβ5βmethylbenzoquinone (__Scheme__). The introduction of the first sideβchain isoprenyl group with (__E__)
Coenzyme Q: A molecular orbital study
β Scribed by Donna L. Breen
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- English
- Weight
- 775 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0022-5193
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π SIMILAR VOLUMES
The structures of isomers of protonated NzO in the ground state are determined by the ab initio MP2 gradient method with a 6-3 IG\* basis set. Calculations at the MP4SDQ16-3 I lG\*\* level predict that the 0-protonated NZO is the most stable isomer and is lower in energy by 7.1 kcahmol than the N-pr
The Allinger's MM2 program has been extended to calculate conjugated systems including N, 0, and S hetero atoms. The molecular mechanics (MM) or force field method has been shown to be a very reliable, fast, and efficient way of determining molecular structures, energies, and other properties for a
ESR measurements were performed for the coenzyme Ql chromanoxyl and chromenoxyl radicals obtained by oxidizing the phenol precursors with Pb02 in toluene, and the proton hyperfine splittings were correctly determined.