Absolute Configuration of Cecropia Juvenile Hormone
نویسندگان
چکیده
منابع مشابه
Absolute configuration of Cecropia juvenile hormone.
The absolute configuration of the predominant Cecropia hormone, methyl 12,14-dihomojuvenate, has been determined to be methyl (E,E)-(10R,11S)-(+)-10,11-epoxy-7-ethyl-3,11-dimethyl-2, 6-tridecadienoate (I). The less abundant hormone, methyl 12-homojuvenate, can be presumed by analogy to have the corresponding 3,7,11-trimethyldienoate structure (II). The assignment has been established with micro...
متن کاملA short stereoselective synthesis of cecropia juvenile hormone. Experimental details.
Experimental details are reported for a previously described synthesis of cecropia juvenile hormone.
متن کاملIsolation, Structure, and Absolute Configuration of a New Natural Insect Juvenile Hormone from Manduca sexta.
Two juvenile hormones are isolated from organ cultures of corpora allata of the tobacco hornworm moth, Manduca sexta Johannson, and are purified by high-resolution liquid chromatography. These are identified as methyl (2E, 6E)-(10R)-10,11-epoxy-3,7,11-trimethyl-2,6-dodecadienoate, a new natural hormone, and methyl (2E,6E) - (10R,11S) - 10,11 - epoxy - 3,7,11 - trimethyl-2,6-tridecadienoate. [(1...
متن کاملOn the biosynthesis of juvenile hormone in the adult Cecropia moth.
tides. Origin and nature of these substances, which are characterized by their lacking binding capacity for charcoal, are not yet clear. CHOU and SCHERB A U M 3 1 working with Tetrahymena described an accumulation of acid-soluble phosphorylated deoxysugars by release from existing structures after a heat treatment. The question, if degradation products from D N A (e. g. deoxynucleosides, cf. 1....
متن کاملOn the Specificity of Juvenile Hormone Biosynthesis in the Male Cecropia Moth *
The accessory sex glands (ASG) of adult male Cecropia contain an enzyme that methylates juvenile hormone acids (JH-acids) in the presence of S-adenosyl-L-methionine (SAM). The methyltransferase is highly specific. The reaction rates decrease in the order JH-I-acid, JH-II-acid and JH-III-acid; in each case the natural enantiomer is esterified predominantly. Methyltrans ferase activity with the ...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1971
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.68.9.2312