Synthesis of Bixin and Three Minor Carotenoids from Annatto (Bixa orellana) (Record no. 42789)

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control field 20250625124721.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-8485
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245 10 - TITLE STATEMENT
Title Synthesis of Bixin and Three Minor Carotenoids from Annatto (Bixa orellana)
490 0# - SERIES STATEMENT
Volume/sequential designation Helvetica Chimica Acta, 82(5), p.696-706, 1999
520 3# - SUMMARY, ETC.
Summary, etc. The three apocarotenoids methyl (9Z)-8'-oxo-6,8'-diapocaroten-6-oate (2), methyl (9Z)-10'-oxo-6,10'- diapocaroten-6-oate (4), and methyl (9Z)-14'-oxo-6,14'-diapocaroten-6-oate (5), recently isolated from annatto, were synthesized. The key step of all three syntheses was the Wittig reaction of the (Z)-terminus 6 with the phosphonium salts 15, 18, and 24, carrying the polyene chain. Bixin (1)was synthesized from 2 in a Horner-Emmons reaction.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Häberli, A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Pfander, H.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1oqADJGiJKYhB0JCn6Y8zNDhDtzTaNZOO/view?usp=drivesdk">https://drive.google.com/file/d/1oqADJGiJKYhB0JCn6Y8zNDhDtzTaNZOO/view?usp=drivesdk</a>
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-8485 25.06.2025 25.06.2025 Documentos solicitados