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10299-88-4

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10299-88-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 10299-88-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,2,9 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 10299-88:
(7*1)+(6*0)+(5*2)+(4*9)+(3*9)+(2*8)+(1*8)=104
104 % 10 = 4
So 10299-88-4 is a valid CAS Registry Number.

10299-88-4Relevant articles and documents

Molybdenum (VI)-catalyzed dehydrative construction of C[sbnd]O and C[sbnd]S bonds formation via etherification and thioetherification of alcohols and thiols

Singh, Rahulkumar Rajmani,Srivastava, Radhey S.,Whittington, Alex

, (2020/06/02)

An inexpensive, easily available, environmentally benign, and efficient catalyst molybdenum(VI) dioxo (acetylacetonate)2 was used for the direct oxo- and thioetherification of alcohol. This method endures selective molybdenum catalyzed dehydrative synthesis of symmetrical ethers from benzylic secondary alcohols as well as unsymmetrical ethers from the reaction of benzylic secondary alcohols with primary alcohol. Furthermore, we have been also successful in the synthesis of Aryl thioether by using alcohol and thiols.

Highly Efficient and Chemoselective Tertiary and Secondary Benzylation of Thiols Catalyzed by Indium(III) Triflate

Kuciński, Krzysztof,Hreczycho, Grzegorz

, p. 5572 - 5581 (2017/10/13)

Several examples of nucleophilic substitution reactions of compounds that have good leaving groups have been previously reported, but the direct use of simple alcohols still remains a challenge because of the poor leaving ability of the hydroxy group. Herein, an efficient and highly chemoselective method for the S-benzylation of a wide range of aromatic and aliphatic thiols has been accomplished in the presence of catalytic amounts (0.1–0.2 mol-%) of indium(III) triflate. Our approach is atom efficient (water is the only byproduct) and suitable to obtain the corresponding unsymmetrical thioethers in excellent yields (up to 99 %). The low loading of catalyst that are needed to obtain extraordinarily high chemoselectivities and the generality of the reaction make this approach unique.

REACTION OF ARYLCYCLOPROPANES WITH THIOPHENOLS UNDER ACID CATALYSIS CONDITIONS

Shabarov, Yu. S.,Saginova, L. G.,Veselovskaya, S. V.

, p. 685 - 689 (2007/10/02)

A study was carried out on the reaction of substituted phenylcyclopropanes with equimolar amounts of thiophenols in trifluoroacetic acid.Phenylcyclopropanes resistant to the action of trifluoroacetic acid undergo opening of the small ring in the presence

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