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(1''S,4''S)-2,4-O-dimethylascofuranol-4''-(R)-MTPA ester is a complex organic compound that serves as a chiral derivatizing agent. It is used in the field of analytical chemistry, particularly in chiral chromatography, to determine the absolute configuration of chiral alcohols and amines. The compound is derived from ascofuranol, a naturally occurring sesquiterpene alcohol, and is modified with a 2,4-dimethyl group and a (R)-MTPA (α-methoxy-α-trifluoromethylphenylacetic acid) ester group. The (R)-MTPA ester is a common chiral auxiliary that, when attached to a chiral center, can induce a characteristic change in the optical rotation of the resulting derivative. This change is then measured and used to infer the absolute configuration of the original chiral molecule. The specific combination of the ascofuranol backbone with the (R)-MTPA ester group makes (1''S,4''S)-2,4-O-dimethylascofuranol-4''-(R)-MTPA ester a valuable tool for researchers in determining the stereochemistry of a wide range of molecules.

99477-65-3

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99477-65-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99477-65-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,4,7 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99477-65:
(7*9)+(6*9)+(5*4)+(4*7)+(3*7)+(2*6)+(1*5)=203
203 % 10 = 3
So 99477-65-3 is a valid CAS Registry Number.

99477-65-3Downstream Products

99477-65-3Relevant academic research and scientific papers

SYNTHESIS OF THE NATURAL ENANTIOMERS OF ASCOCHLORIN, ASCOFURANONE AND ASCOFURANOL

Mori, Kenji,Takechi, Shozo

, p. 3049 - 3062 (2007/10/02)

Three fungal metabolites with a common structural feature as prenylated phenols were synthesized in their naturally occuring and optically active forms: ascochlorin benzaldehyde>, ascofuranone and ascofuranol benzaldehyde>. (+)-Ascofuranone and (+)-ascofuranol were also synthesized.By the present synthesis the absolute configuration of the natural (-)-ascofuranol was established as (1''S,4''S).

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