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61936-95-6

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61936-95-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61936-95-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,9,3 and 6 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 61936-95:
(7*6)+(6*1)+(5*9)+(4*3)+(3*6)+(2*9)+(1*5)=146
146 % 10 = 6
So 61936-95-6 is a valid CAS Registry Number.

61936-95-6Relevant articles and documents

An organocatalytic cascade strategy for the enantioselective construction of spirocyclopentane bioxindoles containing three contiguous stereocenters and two spiro quaternary centers

Sun, Wangsheng,Zhu, Gongming,Wu, Chongyang,Hong, Liang,Wang, Rui

supporting information; experimental part, p. 6737 - 6741 (2012/07/28)

A rapid and efficient organocatalytic cascade sequence for the direct construction of spirocyclopentane bioxindoles has been carried out by using a chiral squaramide catalyst in the presence of a base. This process constitutes a powerful approach to the preparation of biologically important bispirooxindoles in high enantioselectivities (see scheme). Copyright

PHOTO-OXYGENATION OF INDOLE-3-ACETIC ACIDS AND INDOLE-3-ACETALDEHYDES: BIOMIMETIC CONVERSION OF INDOLES INTO QUINOLINES VIA N1-C2 FISSION

Ihara, Masataka,Noguchi, Kazuharu,Fukumoto, Keiichiro,Kametani, Tetsuji

, p. 421 - 424 (2007/10/02)

New conversion of indoles to quinolines via the N1-C2 fission using singlet oxygen reaction was investigated starting from indole-3-acetic acids and indole-3-acetaldehydes.Dye-induced photo-oxydation of indole-3-acetaldehyde derivatives (17 and 18) followed by treatments with dimethyl sulfide and then acetic acid produced 4-formyl- and 4-acetylquinolines (19 and 20), respectively.

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