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"6α,7β-Dihydroxykaur-16-en-18-oic acid γ-lactone" is a complex organic compound belonging to the class of diterpenoids, which are derived from the kaurene family. This specific compound is characterized by the presence of two hydroxyl groups at the 6α and 7β positions, a double bond in the 16-en position, and a γ-lactone ring at the 18-oic acid end. The γ-lactone ring is a cyclic ester formed by the intramolecular esterification of the carboxylic acid group with a hydroxyl group, which can influence the compound's reactivity and biological activity. This molecule is of interest in the field of natural products chemistry due to its potential biological properties and its occurrence in certain plant species. The structure and functional groups of 6α,7β-Dihydroxykaur-16-en-18-oic acid γ-lactone contribute to its unique chemical and physical properties, making it a subject of study for potential applications in pharmaceuticals or other industries.

5691-63-4

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5691-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5691-63-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,9 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5691-63:
(6*5)+(5*6)+(4*9)+(3*1)+(2*6)+(1*3)=114
114 % 10 = 4
So 5691-63-4 is a valid CAS Registry Number.

5691-63-4Relevant academic research and scientific papers

THE MICROBIOLOGICAL TRANSFORMATION OF SOME ENT-KAUR-6,16-DIENES BY GIBBERELLA FUJIKUROI

Fraga, Braulio M.,Gonzalez, Antonio G.,Gonzalez, Pedro,Hanson, James R.,Hernandez, Melchor G.

, p. 691 - 694 (1983)

The preparation of ent-kaur-6,16-diene and ent-18-hydroxykaur-6,16-diene from epicandicandiol and of ent-3β,18-dihydroxykaur-6,16-diene from foliol is described.On incubation with Gibberella fujikuroi ent-kaur-6,16-diene gave 7-hydroxykaurenolide and 18-hydroxykaur-6,16-diene afforded 7,18-dihydroxykaurenolide, whilst ent-6α,7α-epoxy-3β,18-dihydroxykaur-16-ene was obtained from ent-3β,18-dihydroxykaur-6,16-diene.The possible biosynthetic significance of the 6,7-epoxidation in kaurenolide is noted. -- Key Word Index - Gibberella fujikuroi; ent-kaur-6,16-dienes; ent-6α,7α-epoxy-3β,18-dihydroxykaur-16-ene; kaurenolide biosynthesis.

THE BIO-TRANSFORMATION OF SOME 6-SUBSTITUTED ENT-KAUR-16-ENES BY GIBBERELLA FUJIKUROI

Alam, Muzaffar,Hanson, James R.,Sarah, Fahmi Y.

, p. 807 - 809 (2007/10/02)

Incubation of a series of 6-oxygenated ent-kaur-16-enes with Gibberella fujikuroi affords the seco ring B derivative, fujenal, and some other metabolites.

THE BIOSYNTHESIS OF KAURENOLIDE DITERPENOIDS BY GIBBERELLA FUJIKUROI

Beale, Michael H.,Bearder, John R.,Down, Graham H.,Hutchinson, Michael,MacMillan, Jake,Phinney, Bernard O.

, p. 1279 - 1288 (2007/10/02)

The biosynthesis of 7β-hydroxy- and 7β,18-dihydroxy-kaurenolides from ent-kaur-16-en-19-oic acid has been investigated by incubating unlabelled and labelled putative intermediates with resuspension cultures of Gibberella fujikuroi.The results eliminate pathways which require the loss of oxygen from the 19-oic acid and indicate that the likely pathway is via ent-kaura-6,16-dien-19-oic acid and its ent-6α,7α-epoxide.Key Word Index - Gibberella fujikuroi; resuspension cultures; mutant B1-41a; kaurenoid biosynthesis; 7β-hydroxykaurenolide.

THE INHIBITION OF GIBBERELLIN PLANT HORMONE BIOSYNTHESIS BY ENT-6-OXO-5&β(H)-7-NORGIBBERELL-16-ENES

Hanson, James R.,Parry, Keith P.,Willis, Christine L.

, p. 1955 - 1958 (2007/10/02)

Ent-19-hydroxy-6-oxo-5β(H)-7-norgibberell-16-ene and the corresponding 19-carboxylic acid are shown to be inhibitors of gibberellin biosynthesis in the fungus, Gibberella fujikuroi, at stages involved in the oxidative modification of ring B of the kaurenoid precursors.Key Word Index - Gibberella fujikuroi; Hypocreales; biosynthesis; gibberellic acid; plant growth regulator.

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