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(+)-7,3',4'-trimethoxy-2,3-trans-flavan-3,4-cis-diol is a complex organic compound belonging to the flavan class, characterized by its unique molecular structure. (+)-7,3',4'-trimethoxy-2,3-trans-flavan-3,4-cis-diol is composed of a flavan core with a 2,3-trans configuration, which means the hydroxyl groups at the 2 and 3 positions are on opposite sides of the molecule. Additionally, it features a 3,4-cis-diol configuration, indicating that the hydroxyl groups at the 3 and 4 positions are on the same side. The presence of three methoxy groups at the 7, 3', and 4' positions further distinguishes (+)-7,3',4'-trimethoxy-2,3-trans-flavan-3,4-cis-diol. It is known for its potential antioxidant properties and is found in various plants, contributing to their biological activities. The specific arrangement of functional groups in (+)-7,3',4'-trimethoxy-2,3-trans-flavan-3,4-cis-diol may influence its reactivity and interactions with other molecules, making it a subject of interest in the field of natural product chemistry and pharmacology.

1166-05-8

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1166-05-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1166-05-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,6 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1166-05:
(6*1)+(5*1)+(4*6)+(3*6)+(2*0)+(1*5)=58
58 % 10 = 8
So 1166-05-8 is a valid CAS Registry Number.

1166-05-8Relevant academic research and scientific papers

REGIO- AND STEREOSELECTIVE OXYGENATION OF FLAVAN-3-OL-, 4-ARYLFLAVAN-3-OL-, AND BIFLAVANOID-DERIVATIVES WITH POTASSIUM PERSULPHATE

Mouton, C. Hendrik L.,Steenkamp, Jacobus A.,Young, Desmond A.,Bezuidenhoudt, Barend C. B.,Ferreira, Daneel

, p. 6885 - 6894 (2007/10/02)

The phenolic methyl ethers of flavan-3-ols, 4-arylflavan-3-ols, and (-)-fisetinidol-(4,8)-(+)-catechin biflavanoids are susceptible to regio- and stereoselective hydroxylation at C-4 in moderate to high yields with potassium persulphate/cupric sulphate in aqueous acetonitrile.The resultant 4-functionalized analogues are of both synthetic and degradative significance in condensed tannin chemistry.

HETEROCYCLES. XVIII. SYNTHESIS OF THE RACEMATES OF NATURALLY OCCURRING FLAVONOIDS

Takahashi, Hiroshi,Kubota, Yumiko,Igushi, Mieko,Fang, Lin,Onda, Masayuki

, p. 369 - 377 (2007/10/02)

Racemic aromadendrin and fustin have been stereoselectively synthesized.Reduction of the O-substituted derivatives of these flavanonols provides the corresponding derivatives of gleditsin, leucopelargonidin and mollisacacidin (leucofisetinidin).

Synthesis of Condensed Tannins. Part 11. Intramolecular Enantiomerism of the Constituent Units of Tannins from the Anacardiaceae: Stoicheiometric Control in Direct Synthesis: Derivation of 1H Nuclear Magnetic Resonance Parameters Applicable to

Viviers, Phillip M.,Kolodziej, Herbert,Young, Desmond A.,Ferreira, Daneel,Roux, David G.

, p. 2555 - 2562 (2007/10/02)

Tannins from the heartwoods of Schinopsis spp. (quebracho) and Rhus spp.(karee) represent mutual condensation products of their associated precursors (2S,3R,4S)(-)-leucofisetinidin, (2R,3S)-(+)-catechin and, to a minor extent, (2R,3R)-(-)-epicatechin.The

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