{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1357"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1357","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"Ι. ΜΕΛΕΤΗ ΤΩΝ ΧΗΜΙΚΩΝ ΣΥΣΤΑΤΙΚΩΝ ΤΟΥ ΦΥΤΟΥ CISTUS INCANUS SUBSP. CRETICUS (L.) HEYWOOD ΙΙ. ΑΠΟΜΟΝΩΣΗ-ΔΟΜΗ-ΣΥΝΘΕΣΗ ΝΕΟΥ ΦΛΑΒΟΝΟΕΙΔΟΥΣ ΤΟΥ ΦΥΤΟΥ KALANCHOE PROLIFERA R. HAMET","abstract":"THE LEAVES OF CISTUS INCANUS SUBSP CRETICUS (L.) HEYWOOD COLLECTED IN CRETE ANDSTUDIED IN THE FIRST PART OF THIS THESIS. FROM THE PETROLERUM ETHER EXTRACT AND ETHER EXTRACT SEVEN LABDANE -TYPE DITERPENES HAVE BENEN ISOLATED AND IDENTIFIED. THE STRUCTURES OF ALL THE COMPOUNDS WERE DETERMINED BY MS (EI), (CID), H-NMR. FROM THE 95% ALCOHOL EXTRACT WERE ISOLATED SEVEN POLYPHENOLIC SUBSTANCES. INTHE SECOND PART OF THIS THESIS WERE STUDIED THE STRUCTURE AND THE SYNTHESIS OFA NEW FLAVONOID GLYCOSIDE (QUERCETIN-3[2-0-B-D-GLUCOPYRONOSIDE 1->2 B-D- XYLOPYRANOCIDE]. THE STEREOCHEMISTRY AND THE CONFORMATION OF THE XYLOSE ARE DESCRIBED PHASE TRANSFERT CATALYSIS APPEARS TO BE A SIMPLER AND EASIER METHOD FOR THE SYNTHESIS OF FLAVONOID GLYCOSIDE. THE YIELDS OBSERVED ARE GENERALLY HIGHER THAN THOSE REPORTED BY CLASSIC METHODS.","abstract_html":"THE LEAVES OF CISTUS INCANUS SUBSP CRETICUS (L.) HEYWOOD COLLECTED IN CRETE ANDSTUDIED IN THE FIRST PART OF THIS THESIS. FROM THE PETROLERUM ETHER EXTRACT AND ETHER EXTRACT SEVEN LABDANE -TYPE DITERPENES HAVE BENEN ISOLATED AND IDENTIFIED. THE STRUCTURES OF ALL THE COMPOUNDS WERE DETERMINED BY MS (EI), (CID), H-NMR. FROM THE 95% ALCOHOL EXTRACT WERE ISOLATED SEVEN POLYPHENOLIC SUBSTANCES. INTHE SECOND PART OF THIS THESIS WERE STUDIED THE STRUCTURE AND THE SYNTHESIS OFA NEW FLAVONOID GLYCOSIDE (QUERCETIN-3[2-0-B-D-GLUCOPYRONOSIDE 1->2 B-D- XYLOPYRANOCIDE]. THE STEREOCHEMISTRY AND THE CONFORMATION OF THE XYLOSE ARE DESCRIBED PHASE TRANSFERT CATALYSIS APPEARS TO BE A SIMPLER AND EASIER METHOD FOR THE SYNTHESIS OF FLAVONOID GLYCOSIDE. THE YIELDS OBSERVED ARE GENERALLY HIGHER THAN THOSE REPORTED BY CLASSIC METHODS.","abstract_has_math":false,"creators":["Δεμέτζος, Κωνσταντίνος","Demetzos, Constantinos"],"institution":"National and Kapodistrian University of Athens","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1990,"date_issued":"1990","date_published":"1990","updated_at":"2026-07-24T02:24:52Z","subjects":["ΓΕΝΙΝΕΣ ΦΛΑΒΟΝΟΕΙΔΩΝ","ΔΙΑΜΟΡΦΩΣΕΙΣ ΣΑΚΧΑΡΩΝ","Διτερπένια","ΛΑΒΔΑΝΙΑ","ΜΕΤΑΦΟΡΑ ΦΑΣΗΣ (ΜΕΘΟΔΟΣ)","Ξυλόση","ΣΥΝΘΕΣΗ ΦΛΑΒΟΝΟΕΙΔΟΥΣ","Φλαβονοειδή","CISTUS INCANUS SUBSP. CRETICUS (L.) HEYWOOD","DITERPENOIDS","FLAVONOID SYNTHESIS","FLAVONOIDES","FLAVONOIDES AGLYKON","KALANCHOE PROLIFERA R. HAMET","LABDANES","PHASE TRANSFER (METHOD)","SUGARS CONFORMATIONS","Xylose","Ιατρική και Επιστήμες Υγείας","Βασική Ιατρική","Medical and Health Sciences","Basic Medicine"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1357"],"render_values":[{"text":"10.12681/eadd/1357","href":"https://doi.org/10.12681/eadd/1357","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1357","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Δεμέτζος, Κωνσταντίνος","Demetzos, Constantinos"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1990"]},{"key":"dc:publisher","label":"Institution","values":["National and Kapodistrian University of Athens","Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["ΓΕΝΙΝΕΣ ΦΛΑΒΟΝΟΕΙΔΩΝ","ΔΙΑΜΟΡΦΩΣΕΙΣ ΣΑΚΧΑΡΩΝ","Διτερπένια","ΛΑΒΔΑΝΙΑ","ΜΕΤΑΦΟΡΑ ΦΑΣΗΣ (ΜΕΘΟΔΟΣ)","Ξυλόση","ΣΥΝΘΕΣΗ ΦΛΑΒΟΝΟΕΙΔΟΥΣ","Φλαβονοειδή","CISTUS INCANUS SUBSP. CRETICUS (L.) HEYWOOD","DITERPENOIDS","FLAVONOID SYNTHESIS","FLAVONOIDES","FLAVONOIDES AGLYKON","KALANCHOE PROLIFERA R. HAMET","LABDANES","PHASE TRANSFER (METHOD)","SUGARS CONFORMATIONS","Xylose","Ιατρική και Επιστήμες Υγείας","Βασική Ιατρική","Medical and Health Sciences","Basic Medicine"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1357","http://hdl.handle.net/10442/hedi/1357"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["THE LEAVES OF CISTUS INCANUS SUBSP CRETICUS (L.) HEYWOOD COLLECTED IN CRETE ANDSTUDIED IN THE FIRST PART OF THIS THESIS. FROM THE PETROLERUM ETHER EXTRACT AND ETHER EXTRACT SEVEN LABDANE -TYPE DITERPENES HAVE BENEN ISOLATED AND IDENTIFIED. THE STRUCTURES OF ALL THE COMPOUNDS WERE DETERMINED BY MS (EI), (CID), H-NMR. FROM THE 95% ALCOHOL EXTRACT WERE ISOLATED SEVEN POLYPHENOLIC SUBSTANCES. INTHE SECOND PART OF THIS THESIS WERE STUDIED THE STRUCTURE AND THE SYNTHESIS OFA NEW FLAVONOID GLYCOSIDE (QUERCETIN-3[2-0-B-D-GLUCOPYRONOSIDE 1->2 B-D- XYLOPYRANOCIDE]. THE STEREOCHEMISTRY AND THE CONFORMATION OF THE XYLOSE ARE DESCRIBED PHASE TRANSFERT CATALYSIS APPEARS TO BE A SIMPLER AND EASIER METHOD FOR THE SYNTHESIS OF FLAVONOID GLYCOSIDE. THE YIELDS OBSERVED ARE GENERALLY HIGHER THAN THOSE REPORTED BY CLASSIC METHODS.","ΣΤΟ ΤΜΗΜΑ Ι ΤΗΣ ΔΙΑΤΡΙΒΗΣ ΕΓΙΝΕ ΜΕΛΕΤΗ ΤΟΥ ΦΥΤΟΥ CISTUS INCANUS SUBSP CRETICUS (L.) HEYWOOD. ΤΑΥΤΟΠΟΙΗΘΗΚΑΝ ΕΠΤΑ ΛΑΒΔΑΝΙΚΑ ΔΙΤΕΡΠΕΝΙΑ. Ο ΚΑΘΟΡΙΣΜΟΣ ΤΗΣ ΔΟΜΗΣ ΕΓΙΝΕ ΜΕ ΦΑΣΜΑΤΟΣΚΟΠΙΑ MS(EI) (CID) IR, NMR-1H ΚΑΙ 13C-NMR UV-VIS. ΤΑΥΤΟΠΟΙΗΘΗΚΕ ΕΝΑ ΝΕΟ ΛΑΒΔΑΝΙΚΟ ΔΙΤΕΡΠΕΝΙΟ ΤΟ, (5,8,9, 10 Ρ) ΛΑΒΔΑΝ-7,13(Ε)-ΔΙΕΝ-15ΥΛ ΑΚΕΤΥΛΙΩΜΕΝΟ. ΕΠΙΣΗΣ ΑΠΟΜΟΝΩΘΗΚΑΝ ΚΑΙ ΤΑΥΤΟΠΟΙΗΘΗΚΑΝ ΕΠΤΑ ΓΕΝΙΝΕΣ ΦΛΑΒΟΝΟΕΙΔΩΝ. ΣΤΟ ΔΕΥΤΕΡΟ ΤΜΗΜΑ ΙΙ ΕΓΙΝΕ Η ΑΠΟΜΟΝΩΣΗ ΚΑΙ ΣΥΝΘΕΣΗ ΕΝΟΣ ΝΕΟΥ ΕΤΕΡΟΣΙΔΗ ΤΗΣ ΚΕΡΚΕΤΙΝΗΣ ΤΟΥ ΚΕΡΚΕΤΙΝΟ 3-[2,-0-Β-D- ΓΛΥΚΟΠΥΡΑΝΟΣΙΔΗ 1->2 Β-D-ΖΥΛΟΠΥΡΑΝΟΣΙΔΗ]. ΜΕΛΕΤΗΘΗΚΕ ΤΟ ΟΣΙΔΙΚΟ ΤΜΗΜΑ ΤΟΥ ΜΟΡΙΟΥ ΚΑΙ ΕΠΙΛΥΘΗΚΑΝ ΠΡΟΒΛΗΜΑΤΑ ΔΙΑΜΟΡΦΩΣΕΩΝ (4C1 ΚΑΙ1C ΜΕΛΕΤΗ ΠΟΥ ΓΙΝΕΤΑΙ ΓΙΑ ΠΡΩΤΗ ΦΟΡΑ ΣΤΑ ΦΛΑΒΟΝΟΕΙΔΗ. ΧΡΗΣΙΜΟΠΟΙΗΘΗΚΕ ΓΙΑ ΠΡΩΤΗ ΦΟΡΑ Η ΜΕΘΟΔΟΣ ΜΕΤΑΦΟΡΑΣ ΦΑΣΗΣ ΓΙΑ ΤΗΝ ΣΥΝΘΕΣΗ ΤΟΥ ΜΟΡΙΟΥ. ΕΓΙΝΕ ΣΥΝΔΕΣΗ ΝΕΩΝΔΙΣΑΚΧΑΡΙΤΩΝ ΕΝΩ ΤΑ ΕΝΔΙΑΜΕΣΑ ΠΡΟΙΟΝΤΑ ΣΥΝΔΕΣΗΣ ΧΑΡΑΚΤΗΡΙΣΤΗΚΑΝ ΣΑΝ ΝΕΑ ΠΡΟΙΟΝΤΑ."]},{"key":"dc:title","label":"Title","values":["Ι. ΜΕΛΕΤΗ ΤΩΝ ΧΗΜΙΚΩΝ ΣΥΣΤΑΤΙΚΩΝ ΤΟΥ ΦΥΤΟΥ CISTUS INCANUS SUBSP. CRETICUS (L.) HEYWOOD ΙΙ. ΑΠΟΜΟΝΩΣΗ-ΔΟΜΗ-ΣΥΝΘΕΣΗ ΝΕΟΥ ΦΛΑΒΟΝΟΕΙΔΟΥΣ ΤΟΥ ΦΥΤΟΥ KALANCHOE PROLIFERA R. HAMET","I. STUDY OF THE CHEMICAL CONSTITUENTS OF CISTUS INCANUS SUBSP. CRETICUS (L.) HEYWOOD II. ISOLATION-STRUCTURE-SYNTHESIS OF A NEW FLUONOID OF KALANCHOE PROLIFERA R. HAMET"]}]}],"canonical_facts":{"dc:creator":["Δεμέτζος, Κωνσταντίνος","Demetzos, Constantinos"],"dc:date":["1990"],"dc:description":["THE LEAVES OF CISTUS INCANUS SUBSP CRETICUS (L.) HEYWOOD COLLECTED IN CRETE ANDSTUDIED IN THE FIRST PART OF THIS THESIS. FROM THE PETROLERUM ETHER EXTRACT AND ETHER EXTRACT SEVEN LABDANE -TYPE DITERPENES HAVE BENEN ISOLATED AND IDENTIFIED. THE STRUCTURES OF ALL THE COMPOUNDS WERE DETERMINED BY MS (EI), (CID), H-NMR. FROM THE 95% ALCOHOL EXTRACT WERE ISOLATED SEVEN POLYPHENOLIC SUBSTANCES. INTHE SECOND PART OF THIS THESIS WERE STUDIED THE STRUCTURE AND THE SYNTHESIS OFA NEW FLAVONOID GLYCOSIDE (QUERCETIN-3[2-0-B-D-GLUCOPYRONOSIDE 1->2 B-D- XYLOPYRANOCIDE]. THE STEREOCHEMISTRY AND THE CONFORMATION OF THE XYLOSE ARE DESCRIBED PHASE TRANSFERT CATALYSIS APPEARS TO BE A SIMPLER AND EASIER METHOD FOR THE SYNTHESIS OF FLAVONOID GLYCOSIDE. THE YIELDS OBSERVED ARE GENERALLY HIGHER THAN THOSE REPORTED BY CLASSIC METHODS.","ΣΤΟ ΤΜΗΜΑ Ι ΤΗΣ ΔΙΑΤΡΙΒΗΣ ΕΓΙΝΕ ΜΕΛΕΤΗ ΤΟΥ ΦΥΤΟΥ CISTUS INCANUS SUBSP CRETICUS (L.) HEYWOOD. ΤΑΥΤΟΠΟΙΗΘΗΚΑΝ ΕΠΤΑ ΛΑΒΔΑΝΙΚΑ ΔΙΤΕΡΠΕΝΙΑ. Ο ΚΑΘΟΡΙΣΜΟΣ ΤΗΣ ΔΟΜΗΣ ΕΓΙΝΕ ΜΕ ΦΑΣΜΑΤΟΣΚΟΠΙΑ MS(EI) (CID) IR, NMR-1H ΚΑΙ 13C-NMR UV-VIS. ΤΑΥΤΟΠΟΙΗΘΗΚΕ ΕΝΑ ΝΕΟ ΛΑΒΔΑΝΙΚΟ ΔΙΤΕΡΠΕΝΙΟ ΤΟ, (5,8,9, 10 Ρ) ΛΑΒΔΑΝ-7,13(Ε)-ΔΙΕΝ-15ΥΛ ΑΚΕΤΥΛΙΩΜΕΝΟ. ΕΠΙΣΗΣ ΑΠΟΜΟΝΩΘΗΚΑΝ ΚΑΙ ΤΑΥΤΟΠΟΙΗΘΗΚΑΝ ΕΠΤΑ ΓΕΝΙΝΕΣ ΦΛΑΒΟΝΟΕΙΔΩΝ. ΣΤΟ ΔΕΥΤΕΡΟ ΤΜΗΜΑ ΙΙ ΕΓΙΝΕ Η ΑΠΟΜΟΝΩΣΗ ΚΑΙ ΣΥΝΘΕΣΗ ΕΝΟΣ ΝΕΟΥ ΕΤΕΡΟΣΙΔΗ ΤΗΣ ΚΕΡΚΕΤΙΝΗΣ ΤΟΥ ΚΕΡΚΕΤΙΝΟ 3-[2,-0-Β-D- ΓΛΥΚΟΠΥΡΑΝΟΣΙΔΗ 1->2 Β-D-ΖΥΛΟΠΥΡΑΝΟΣΙΔΗ]. ΜΕΛΕΤΗΘΗΚΕ ΤΟ ΟΣΙΔΙΚΟ ΤΜΗΜΑ ΤΟΥ ΜΟΡΙΟΥ ΚΑΙ ΕΠΙΛΥΘΗΚΑΝ ΠΡΟΒΛΗΜΑΤΑ ΔΙΑΜΟΡΦΩΣΕΩΝ (4C1 ΚΑΙ1C ΜΕΛΕΤΗ ΠΟΥ ΓΙΝΕΤΑΙ ΓΙΑ ΠΡΩΤΗ ΦΟΡΑ ΣΤΑ ΦΛΑΒΟΝΟΕΙΔΗ. ΧΡΗΣΙΜΟΠΟΙΗΘΗΚΕ ΓΙΑ ΠΡΩΤΗ ΦΟΡΑ Η ΜΕΘΟΔΟΣ ΜΕΤΑΦΟΡΑΣ ΦΑΣΗΣ ΓΙΑ ΤΗΝ ΣΥΝΘΕΣΗ ΤΟΥ ΜΟΡΙΟΥ. ΕΓΙΝΕ ΣΥΝΔΕΣΗ ΝΕΩΝΔΙΣΑΚΧΑΡΙΤΩΝ ΕΝΩ ΤΑ ΕΝΔΙΑΜΕΣΑ ΠΡΟΙΟΝΤΑ ΣΥΝΔΕΣΗΣ ΧΑΡΑΚΤΗΡΙΣΤΗΚΑΝ ΣΑΝ ΝΕΑ ΠΡΟΙΟΝΤΑ."],"dc:identifier":["10.12681/eadd/1357","http://hdl.handle.net/10442/hedi/1357"],"dc:language":["gre"],"dc:publisher":["National and Kapodistrian University of Athens","Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)"],"dc:subject":["ΓΕΝΙΝΕΣ ΦΛΑΒΟΝΟΕΙΔΩΝ","ΔΙΑΜΟΡΦΩΣΕΙΣ ΣΑΚΧΑΡΩΝ","Διτερπένια","ΛΑΒΔΑΝΙΑ","ΜΕΤΑΦΟΡΑ ΦΑΣΗΣ (ΜΕΘΟΔΟΣ)","Ξυλόση","ΣΥΝΘΕΣΗ ΦΛΑΒΟΝΟΕΙΔΟΥΣ","Φλαβονοειδή","CISTUS INCANUS SUBSP. CRETICUS (L.) HEYWOOD","DITERPENOIDS","FLAVONOID SYNTHESIS","FLAVONOIDES","FLAVONOIDES AGLYKON","KALANCHOE PROLIFERA R. HAMET","LABDANES","PHASE TRANSFER (METHOD)","SUGARS CONFORMATIONS","Xylose","Ιατρική και Επιστήμες Υγείας","Βασική Ιατρική","Medical and Health Sciences","Basic Medicine"],"dc:title":["Ι. ΜΕΛΕΤΗ ΤΩΝ ΧΗΜΙΚΩΝ ΣΥΣΤΑΤΙΚΩΝ ΤΟΥ ΦΥΤΟΥ CISTUS INCANUS SUBSP. CRETICUS (L.) HEYWOOD ΙΙ. ΑΠΟΜΟΝΩΣΗ-ΔΟΜΗ-ΣΥΝΘΕΣΗ ΝΕΟΥ ΦΛΑΒΟΝΟΕΙΔΟΥΣ ΤΟΥ ΦΥΤΟΥ KALANCHOE PROLIFERA R. HAMET","I. STUDY OF THE CHEMICAL CONSTITUENTS OF CISTUS INCANUS SUBSP. CRETICUS (L.) HEYWOOD II. ISOLATION-STRUCTURE-SYNTHESIS OF A NEW FLUONOID OF KALANCHOE PROLIFERA R. HAMET"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:24:52Z"}