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207855-12-7

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207855-12-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 207855-12-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,8,5 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 207855-12:
(8*2)+(7*0)+(6*7)+(5*8)+(4*5)+(3*5)+(2*1)+(1*2)=137
137 % 10 = 7
So 207855-12-7 is a valid CAS Registry Number.

207855-12-7Upstream product

207855-12-7Downstream Products

207855-12-7Relevant articles and documents

Selective deprotection of tetrahydropyranyl ethers catalysed by β-cyclodextrin in water

Arjun Reddy,Rajender Reddy,Bhanumathi,Rama Rao

, p. 359 - 360 (2007/10/03)

The hydrolysis of tetrahydropyranyl ethers to alcohols catalysed by β-cyclodextrin proceeds in water under neutral conditions.

Practical palladium-mediated deprotective method of allyloxycarbonyl in aqueous media

Genet, Jean Pierre,Blart, Errol,Savignac, Monique,Lemeune, Stephane,Lemaire-Audoire, Sandrine,Paris, Jean-Marc,Bernard, Jean-Marie

, p. 497 - 503 (2007/10/02)

The Allyloxycarbonyl (Alloc) moiety can be removed smoothly and selectively in good yield (73-100%) from allylic esters, carbamates and carbonates by aqueous Pd (O) catalysed allyl transfer to diethylamine in aqueous media employing a water soluble phosphine. The allyl scavenger as well as by product allyl diethylamine are volatile and easily removed in vacuo. In a two phase system an increased selectivity is seen. The method has been successfully used for deprotection of a wide range of secondary amines or base sensitive derivatives and the catalyst is efficiently recycled.

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