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103660-70-4

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103660-70-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103660-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,6 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103660-70:
(8*1)+(7*0)+(6*3)+(5*6)+(4*6)+(3*0)+(2*7)+(1*0)=94
94 % 10 = 4
So 103660-70-4 is a valid CAS Registry Number.

103660-70-4Relevant articles and documents

Synthesis of 5-hydroxy-Δ1-pyrrolines from aryl isoalkyl ketoximes and acetylene in a tuned superbase medium

Shabalin, Dmitrii A.,Dvorko, Marina Yu.,Schmidt, Elena Yu.,Protsuk, Nadezhda I.,Trofimov, Boris A.

, p. 3156 - 3159 (2016)

The reaction between aryl isoalkyl ketoximes and acetylene under atmospheric pressure was applied to the synthesis of 5-hydroxy-Δ1-pyrrolines, containing aromatic substituents at the carbon–nitrogen double bond, in moderate yields. A crucial fa

A NEW ROUTE TO 3H-PYRROLES

Trofimov, B. A.,Shevchenko, S. G.,Korostova, S. E.,Mikhaleva, A. I.,Shcherbakov, V. V.

, p. 1299 (1985)

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Synthesis of 3,3-dimethyl-2-phenyl-3H-pyrrole from Isopropyl Phenyl Ketoxime and Acetylene: A Side Formation of 4,4-dimethyl-5-phenyl-1-vinyl-2- pyrrolidinone as Clue to the Reaction Mechanism

Shabalin, Dmitrii A.,Glotova, Tatyana E.,Schmidt, Elena Yu.,Ushakov, Igor A.,Mikhaleva, Al'Bina I.,Trofimov, Boris A.

, p. 100 - 101 (2014)

Isopropyl phenyl ketoxime reacts with acetylene in the KOH/DMSO suspension (atmospheric pressure, 90 °C, 4 h) to afford 3,3-dimethyl-2-phenyl-3H- pyrrole (30%) and 4,4-dimethyl-5-phenyl-1-vinyl-2-pyrrolidinone (5%) that is likely originated from 4,4-dimethyl-5-phenyl-3,4-dihydro-2H-pyrrol-2-ol as the key reaction intermediate.

FORMATION OF 2-PHENYL-3,3-DIMETHYL-1-PYRROLINE FROM ISOPROPYL PHENYL KETOXIME AND ACETYLENE IN POTASSIUM HYDROXIDE-DMSO

Korostova, S. E.,Shevchenko, S. G.,Shcherbakov, V. V.

, p. 1366 (2007/10/02)

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