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The chemical compound "(3aR*,7S*,7aS*)-N-carbethoxy-7-<3,4-(methylenedioxy)phenyl>-2,3,3a,6,7,7a-hexahydro-4H-cyclopenta[c]pyran-4-one" is a complex organic molecule with a unique stereochemistry. It features a cyclopenta[c]pyran-4-one core structure, which is a type of cyclic compound with a pyran ring fused to a cyclopentane ring. The molecule is characterized by its specific stereochemistry, with the 3a, 7, and 7a positions being in the R, S, and S configurations, respectively. It also contains a carbethoxy group (ester of carboxylic acid) and a methylenedioxyphenyl group, which is a phenyl ring with two oxygen atoms connected by a methylene bridge. (3aR*,7S*,7aS*)-N-carbethoxy-7-<3,4-(methylenedioxy)phenyl>-2,3,3a,6,7,7 is likely to be found in the field of organic chemistry, potentially as an intermediate in the synthesis of pharmaceuticals or other complex organic molecules.

78456-84-5

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78456-84-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78456-84-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,5 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 78456-84:
(7*7)+(6*8)+(5*4)+(4*5)+(3*6)+(2*8)+(1*4)=175
175 % 10 = 5
So 78456-84-5 is a valid CAS Registry Number.

78456-84-5Downstream Products

78456-84-5Relevant academic research and scientific papers

General Strategies for Alkaloid Synthesis via Intramolecular Cycloadditions of Enamides. Application to the Formal Total Synthesis of Racemic Lycorine.

Martin, Stephen F.,Tu, Chih-yun

, p. 3763 - 3764 (1981)

The application of the intramolecular cycloaddition of the enamido diene 6 to the construction of the unsaturated oxolycorane 2 is described, thereby completing a novel, formal synthesis of the Amaryllidaceae alkaloid lycorine (1).

Intramolecular Cycloadditions as a General Strategy for Alkaloid Synthesis. A Novel Formal Synthesis of Lycorine

Martin, Stephen F.,Tu, Chih-yun,Kimura, Michio,Simonsen, Stanley H.

, p. 3634 - 3643 (2007/10/02)

The intramolecular cycloadditions of the aryl-substituted enamido dienes that were produced upon thermal, cheletropic extrusion of sulfur dioxide from the enamides 8,15, and 26 were examined.Whereas thermolysis of 8 in refluxing xylene in the pres

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