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78657-67-7

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78657-67-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78657-67-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,5 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78657-67:
(7*7)+(6*8)+(5*6)+(4*5)+(3*7)+(2*6)+(1*7)=187
187 % 10 = 7
So 78657-67-7 is a valid CAS Registry Number.

78657-67-7Relevant articles and documents

Gold-catalyzed allylation of aryl boronic acids: Accessing cross-coupling reactivity with gold

Levin, Mark D.,Toste, F. Dean

supporting information, p. 6211 - 6215 (2014/06/23)

A sp3-sp2 C?C cross-coupling reaction catalyzed by gold in the absence of a sacrificial oxidant is described. Vital to the success of this method is the implementation of a bimetallic catalyst bearing a bis(phosphino)amine ligand. A mechanistic hypothesis is presented, and observable transmetalation, C?Br oxidative addition, and C?C reductive elimination in a model gold complex are shown. We expect that this method will serve as a platform for the development of novel transformations involving redox-active gold catalysts.

Π-CYCLIZATION: THE SYNTHESIS OF (+/-)-SOLAVETIVONE AND (+/-)-HINESOL

Murai, Akio,Sato, Shingo,Masamune, Tadashi

, p. 1033 - 1036 (2007/10/02)

A general efficient approach leading to the total synthesis of (+/-)-solavetivone, (+/-)-hinesol, and related spirovetivanes, is described.The process involves stereoselective formation of the asymmetric center at C-7 by ?-cyclisation as a key step.

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