Preparation and Properties of 8-ChlorotheophyllineSalts of Some Alkaloids*
β Scribed by Robinette, M.L. ;Bope, F.W.
- Publisher
- Elsevier
- Year
- 1955
- Weight
- 215 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0095-9553
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Conditions suitable for preparative isolation, quantitative separation and determination ofplastochromanol-8 (PC-8), and their mild oxidation products were elaborated. Mild oxidation of PC-8 alone and with gammatocopherol (gamma-T) equimolare mixture by benzoquinone gives four and two new products,
## Preparation and some Properties of Synthetic Proustite Single Crystals Conditions for the preparation of proustite single crystals are reported. For selecting these conditions temperature gradients in the crystallisation zone and in the melt, the rate of moving of the crystallisation front, the