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812637-24-4

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812637-24-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 812637-24-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,2,6,3 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 812637-24:
(8*8)+(7*1)+(6*2)+(5*6)+(4*3)+(3*7)+(2*2)+(1*4)=154
154 % 10 = 4
So 812637-24-4 is a valid CAS Registry Number.

812637-24-4Downstream Products

812637-24-4Relevant articles and documents

METHOD FOR PRODUCING THIOETHER COMPOUND

-

, (2008/06/13)

Disclosed is an efficient and widely-applicable method for commercially producing a thioether compound or a thiol compound which is useful as a pharmaceutical compound or a production intermediate of it. Specifically disclosed is a method for producing a thioether compound represented by the general formula [I] below or a salt thereof. This method is characterized in that a compound represented by the following general formula [III]: [III] (wherein X represents a bromine atom, a chlorine atom or a trifluoromethylsulfonyloxy group, and ring A represents an aryl group or a heteroaryl ring group) or a salt thereof is reacted with a thiol compound represented by the following general formula [II]: [II] or a salt thereof in the presence of a palladium compound such as Pd2(dba)3, a base such as i-Pr2NEt and a phosphorus compound represented by the following formula [AA].

A general palladium-catalyzed coupling of aryl bromides/triflates and thiols

Itoh, Takahiro,Mase, Toshiaki

, p. 4587 - 4590 (2007/10/03)

(Chemical equation presented) We have developed an efficient palladium-catalyzed carbon-sulfur bond formation reaction of aryl bromides, triflates, and activated aryl chloride. Using this protocol, we have shown tolerance to a wide variety of aryl thiols and alkyl thiols that can also be used as sulfide equivalents.

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