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2,4,6-Tri-(tert-butyl)thiobenzaldehyde is the first stable aromatic thioaldehyde, characterized by its purple crystalline form. It can be synthesized through two methods: the reaction of 2,4,6-tri-tert-butylphenyllithium with O-ethyl thioformate or the reaction of 2,4,6-tri-tert-butylbenzaldehyde hydrazone with disulfur dichloride in the presence of triethylamine. Its exceptional stability distinguishes it from typical thioaldehydes, which are often unstable.

84543-57-7

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84543-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84543-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,5,4 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 84543-57:
(7*8)+(6*4)+(5*5)+(4*4)+(3*3)+(2*5)+(1*7)=147
147 % 10 = 7
So 84543-57-7 is a valid CAS Registry Number.

84543-57-7Relevant academic research and scientific papers

Synthesis, Structure, and Some Reactions of (2,4,6-Tri-t-butyl)thiobenzaldehyde, the First Stable Aromatic Thioaldehyde

Ishii, Akihiko,Ishida, Takashi,Kumon, Naoko,Fukuda, Nobuo,Oyama, Hiroyuki,Inamoto, Naoki,Iwasaki, Fujiko,Okazaki, Renji

, p. 709 - 717 (1996)

The title compound 1 was synthesized by the reaction of 2,4,6-tri-t-butylphenyllithium with O-ethyl thioformate or that of 2,4,6-tri-t-butylbenzaldehyde hydrazone with disulfur dichloride in the presence of triethylamine. The thioaldehyde 1 is a purple cr

Synthesis of 2,4,6-Tri-t-butylthiobenzaldehyde, the First Stable Thiobenzaldehyde

Okazaki, Renji,Ishii, Akihiko,Fukuda, Nobuo,Oyama, Hiroyuki,Inamoto, Naoki

, p. 1187 - 1188 (2007/10/02)

The title compound, an extremely stable thiobenzaldehyde, was prepared by the reaction of 2,4,6-tri-t-butylphenyl-lithium with O-ethyl thioformate or the reaction of 2,4,6-tri-t-butylbenzaldehyde hydrazone with disulphur dichloride.

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