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Accession number;00A0371183
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| Title;Removal of Protecting Group from an Aspartame Precursor by Hydrogenation. |
| Author;
ISONO YASUYUKI
(Dainichiseikakogyo Seikagakuken)
NAKAJIMA MITSUTOSHI
(Minist. of Agric., For. and Fish., Natl. Food Res. Inst.)
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Journal Title;Journal of the Japanese Society for Food Science and Technology
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Journal Code:F0895A
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ISSN:1341-027X
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VOL.47;NO.3;PAGE.249-253(2000)
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| Figure&Table&Reference;FIG.9, REF.11 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;Removal of protecting group from an aspartame precursor (ZAPM) by hydrogenation with palladium supported on activated carbon was carried out. No precipitation of APM occured when methanol/water mixture with volume ratio of 65/35 was used as a reaction solvent, and ZAPM was mostly converted to APM by hydrogenation. After the separation of the catalyst by filtration, APM precipitate could be obtained by cooling of the solution. Ethanol and ZAPM paste could be used instead of methanol and ZAPM powder, respectively. By preventing APM precipitate formation during the hydrogenation, simplification of APM production process was achieved. (author abst.) |
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