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1370441-16-9

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1370441-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1370441-16-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,0,4,4 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1370441-16:
(9*1)+(8*3)+(7*7)+(6*0)+(5*4)+(4*4)+(3*1)+(2*1)+(1*6)=129
129 % 10 = 9
So 1370441-16-9 is a valid CAS Registry Number.

1370441-16-9Relevant articles and documents

Chemoselective Reduction of Trichloromethyl Compounds to gem-Dichloromethyl Groups Following Appel's Reaction Protocol

Romero-Reyes, Moises A.,Zaragoza-Galicia, Ivann,Olivo, Horacio F.,Romero-Ortega, Moises

, p. 9515 - 9519 (2016)

A simple and easy reduction of trichloroacetyl compounds following the modification of Appel's reaction protocol, using triphenylphosphine and methanol, afforded the corresponding dichloroacetyl compounds, with the exception of trichloroacetylmorpholine,

Acid-promoted cleavage of the C–C double bond of N-(2-Hydroxylphenyl)enaminones for the synthesis of benzoxazoles

Ge, Bailu,Peng, Yanling,Liu, Jing,Wen, Si,Peng, Cheng,Cheng, Guolin

, (2019/12/09)

An acid-mediated selective cleavage of C–C double bond of N-(2-hydroxylphenyl)enaminones with formation a new C–O bond for the synthesis of 2-substituted benzoxazoles has been developed. This protocol proceeds under transition metal- and oxidant-free conditions with broad functional group tolerance. The oxidative cleavage of C–C double bond of N-(2-hydroxylphenyl)enaminone is also realized using NCS or NFSI as oxidants with release of 2,2-dihalogen-acetophenone fragments.

Visible-light-promoted oxidative halogenation of alkynes

Li, Yiming,Mou, Tao,Lu, Lingling,Jiang, Xuefeng

supporting information, p. 14299 - 14302 (2019/12/02)

In nature, halogenation promotes the biological activity of secondary metabolites, especially geminal dihalogenation. Related natural molecules have been studied for decades. In recent years, their diversified vital activities have been explored for treating various diseases, which call for efficient and divergent synthetic strategies to facilitate drug discovery. Here we report a catalyst-free oxidative halogenation achieved under ambient conditions (halide ion, air, water, visible light, room temperature, and normal pressure). Constitutionally, electron transfer between the oxygen and halide ion is shuttled via simple conjugated molecules, in which phenylacetylene works as both reactant and catalyst. Synthetically, it provides a highly compatible late-stage transformation strategy to build up dihaloacetophenones (DHAPs).

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