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(1S,2R,5S)-7-Oxo-6-oxa-bicyclo[3.2.1]octane-2-carboxylic acid methyl ester is a complex organic compound with the molecular formula C9H12O5. It is a chiral molecule, meaning it has a non-superimposable mirror image, and it is characterized by its specific stereochemistry, with the 1, 2, and 5 positions being in the S configuration. (1S,2R,5S)-7-Oxo-6-oxa-bicyclo[3.2.1]octane-2-carboxylic acid methyl ester features a bicyclo[3.2.1]octane ring system, which is an eight-membered ring with two carbon atoms and one oxygen atom forming a bridge. The molecule contains a carboxylic acid group, which is esterified with a methyl group, and a 7-oxo group, indicating the presence of a carbonyl group at the 7-position. This chemical structure is significant in organic chemistry and may have applications in the synthesis of pharmaceuticals or other specialty chemicals due to its unique ring system and functional groups.

7771-14-4

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7771-14-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7771-14-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,7 and 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7771-14:
(6*7)+(5*7)+(4*7)+(3*1)+(2*1)+(1*4)=114
114 % 10 = 4
So 7771-14-4 is a valid CAS Registry Number.

7771-14-4Relevant academic research and scientific papers

STEREOSELECTIVE ALKYLATION OF ESTER LACTONE. SYNTHESIS OF-GEIJERONE AND FORMAL SYNTHESIS OF dl-γ-ELEMENE

Wakamatsu, Takeshi,Hara, Hiromu,Taira, Keiko,Ban, Yoshio

, p. 1203 - 1206 (1987)

Geijerone 1 was synthesized in racemic form via stereoselective alkylation of an ester lactone conformationally fixed with its bridged lactone ring. dl-γ-Elemene 2 has already been obtained from 1.

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