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(3aR)-5a,9-dimethyl-3-methylidene-3a,4,5,5a,6,7,8,9b-octahydronaphtho[1,2-b]furan-2(3H)-one is a complex organic compound characterized by its unique molecular structure. It belongs to the class of chemicals known as octahydronaphtho[1,2-b]furan-2(3H)-ones, which are derivatives of naphthalene with a furan ring fused to the structure. This specific compound features a 3-methylidene group, which is a double-bonded carbon to a methyl group, and two methyl groups at the 5a and 9 positions. The compound is a chiral molecule, with the 3a position being in the R configuration, indicating the spatial arrangement of the atoms around the asymmetric carbon. It is a white crystalline solid and is likely to be used in the synthesis of pharmaceuticals or other organic compounds due to its complex structure and potential reactivity.

40776-40-7

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40776-40-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40776-40-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,7,7 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40776-40:
(7*4)+(6*0)+(5*7)+(4*7)+(3*6)+(2*4)+(1*0)=117
117 % 10 = 7
So 40776-40-7 is a valid CAS Registry Number.

40776-40-7Downstream Products

40776-40-7Relevant academic research and scientific papers

First asymmetric total syntheses and determination of absolute configurations of (+)-eudesmadiene-12,6-olide and (+)-frullanolide

Chou, Yu-Yu,Liao, Chun-Chen

, p. 1584 - 1587 (2013/06/27)

The first asymmetric total syntheses of sesquiterpene lactones (+)-eudesmadiene-12,6-olide (1) and (+)-frullanolide (2) have been accomplished from 4-bromo-2-methoxyphenol (5) in 12 and 13 synthetic steps, respectively, and the absolute configurations of

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