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92144-07-5

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92144-07-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92144-07-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,1,4 and 4 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 92144-07:
(7*9)+(6*2)+(5*1)+(4*4)+(3*4)+(2*0)+(1*7)=115
115 % 10 = 5
So 92144-07-5 is a valid CAS Registry Number.

92144-07-5Downstream Products

92144-07-5Relevant articles and documents

TOTAL SYNTHESIS OF PRODIGIOSIN

Boger, Dale L.,Patel, Mona

, p. 2499 - 2502 (1987)

The total synthesis of prodigiosin (1), possessing the characteristic pyrrolylpyrromethene skeleton of a class of naturally-occuring polypyrroles, is detailed.The approach is based on the application of an inverse electron demand Diels-Alder reaction of dimethyl 1,2,4,5-tetrazine-3,6-dicarboxylate in a 1,2,4,5-tetrazine -> 1,2-diazine -> pyrrole strategy for preparation of prodigiosin pyrrole ring B and the subsequent implementation of an intramolecular palladium(II)-promoted 2,2'-diaryl (2,2'-bipyrrole) coupling for construction of the prodigiosin 2,2'-bipyrrole AB ring system.

Silyl enol ethers as 2π components in (4+2) cycloadditions: Preparative and kinetic results

Hierstetter,Tischler,Sauer

, p. 8019 - 8022 (1992)

Easily accessible open chain and cyclic silyl enolethers show dienophilic reactivity in (4+2)-cycloaddition reactions with inverse electron demand equivalent to enol ethers. Preparative and kinetic results are reported.

Thermal Cycloaddition of Dimethyl 1,2,4,5-Tetrazine-3,6-dicarboxylate with Electron-Rich Olefins: 1,2-Diazine and Pyrrole Introduction. Preparation of Octamethylporphin (OMP)

Boger, Dale L.,Coleman, Robert S.,Panek, James S.,Yohannes, Daniel

, p. 4405 - 4409 (2007/10/02)

An investigation of the inverse electron demand Diels-Alder reactions of dimethyl 1,2,4,5-tetrazine-3,6-dicarboxylate with electron-rich olefins for the introduction of 1,2-diazines and pyrroles is described.A short synthesis of 2,3,7,8,12,13,17,18-octamethylporphin (OMP) is detailed.

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