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3073-03-8

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3073-03-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3073-03-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,0,7 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3073-03:
(6*3)+(5*0)+(4*7)+(3*3)+(2*0)+(1*3)=58
58 % 10 = 8
So 3073-03-8 is a valid CAS Registry Number.

3073-03-8Downstream Products

3073-03-8Relevant articles and documents

Two-in-One Strategy for the Pd(II)-Catalyzed Tandem C-H Arylation/Decarboxylative Annulation Involved with Cyclic Diaryliodonium Salts

Hu, Tao,Xu, Kai,Ye, Zenghui,Zhu, Kai,Wu, Yanqi,Zhang, Fengzhi

supporting information, p. 7233 - 7237 (2019/10/02)

We report here a two-in-one strategy for the Pd(II)-catalyzed tandem C-H arylation/decarboxylative annulation between readily available cyclic diaryliodonium salts and benzoic acids. The carboxylic acid functionality can be used as both a directing group for the ortho-C-H arylation and the reactive group for the tandem decarboxylative annulation. By a step-economical double cross-coupling annulation procedure, the privileged triphenylene frameworks were efficiently constructed, which have potential applications in material chemistry.

Palladium Catalyzed C-I and Vicinal C-H Dual Activation of Diaryliodonium Salts for Diarylations: Synthesis of Triphenylenes

Wu, Xunshen,Han, Jianwei,Wang, Limin

, p. 49 - 56 (2017/12/15)

Using the synthetic strategy of palladium-catalyzed dual activation of both C-I and vicinal C-H bonds of diaryliodonium salts, we report an approach for direct diarylations of 2-bromobiphenyls or bromobenzenes. As a result, a wide range of triphenylenes with various substituents have been synthesized in good yields. These triphenylenes are expected to be employed in the "bottom-up" synthesis of functional aromatic molecules in material science.

C-C Bond (Hetero)arylation of Ring-Fused Benzocyclobutenols and Application in the Assembly of Polycyclic Aromatic Hydrocarbons

Mao, Wenbin,Zhu, Chen

, p. 9133 - 9143 (2017/09/11)

Herein, we disclose a new and efficient synthetic approach to triphenylene-based polycyclic aromatic hydrocarbons (PAHs) from ring-fused benzocyclobutenols (RBCBs) through the cleavage of the C-C σ-bond. Two key transformations are involved: (a) palladium-catalyzed C-C bond (hetero)arylation of RBCBs; and (b) Lewis acid-promoted intramolecular annulation leading to complex polycyclic compounds. A variety of multiply substituted triphenylenes and derivatives are obtained in synthetically useful yields.

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