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148322-13-8

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148322-13-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148322-13-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,3,2 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 148322-13:
(8*1)+(7*4)+(6*8)+(5*3)+(4*2)+(3*2)+(2*1)+(1*3)=118
118 % 10 = 8
So 148322-13-8 is a valid CAS Registry Number.

148322-13-8Relevant articles and documents

Nonreductive Desulfenylation of 3-Indolyl Sulfides. Improved Syntheses of 2-Substituted Indoles and 2-Indolyl Sulfides

Hamel, Pierre,Zajac, Nicolas,Atkinson, Joseph G.,Girard, Yves

, p. 6372 - 6377 (1994)

Desulfenylation of 3-indolyl sulfides to the corresponding 3-unsubstituted indoles is usually carried out under reductive conditions, thus accommodating only substituents which are resistant to reduction.We have developed a nonreductive procedure for removal of a sulfide at the 3-position of indoles, using trifluoroacetic acid in the presence of a thiol as trapping agent, which is compatible with a large array of functionalities on the indole ring.In addition, the desulfenylation occurs selectively at the 3-position of the indole, and sulfide groups at other positions of the molecule remain untouched.Thus, indole 2,3-bis-sulfides are selectively desulfenylated at the 3-position, affording 3-unsubstituted 2-indolyl sulfides.This methodology broadens the use of sulfide as a protecting group for the 3-position of indoles.

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