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133909-96-3

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133909-96-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133909-96-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,9,0 and 9 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 133909-96:
(8*1)+(7*3)+(6*3)+(5*9)+(4*0)+(3*9)+(2*9)+(1*6)=143
143 % 10 = 3
So 133909-96-3 is a valid CAS Registry Number.

133909-96-3Relevant articles and documents

Convenient and efficient Suzuki-Miyaura cross-coupling catalyzed by a palladium/diazabutadiene system

Grasa, Gabriela A.,Hillier, Anna C.,Nolan, Steven P.

, p. 1077 - 1080 (2001)

(matrix presented) A Pd(OAc)2/diazabutadiene system has been developed for the catalytic cross-coupling of aryl halides with arylboronic acids. A combination of the diazabutadiene DAB-Cy (1, N,N′-dicyclohexyl-1,4-dizabutadiene) and Pd(OAc)2 was found to form an excellent catalyst for the Suzuki-Miyaura cross-coupling of various aryl bromides and activated aryl chlorides with arylboronic acids.

Amide-ligand-controlled highly para-selective arylation of monosubstituted simple arenes with arylboronic acids

Luan, Yu-Xin,Zhang, Tao,Yao, Wei-Wei,Lu, Ke,Kong, Lu-Yao,Lin, Yu-Tong,Ye, Mengchun

supporting information, p. 1786 - 1789 (2017/02/15)

Pd-catalyzed highly para-selective arylations of monosubstituted simple arenes with arylboronic acids to widely existed biaryls have been developed. Inspired by requisite amide-directing groups in reported selective oxidative couplings, amide ligands, especially DMF, are designed and found to be critical for the selectivity control in current arylations.

A cross-coupling synthesis of functionalised biaryls using Knochel-type organozinc reagents and a pyridine enhanced palladium catalyst

Wang, Min,Liu, Fang,Zeng, Meng-Tian,Xu, Wan,Liu, Min,Dong, Zhi-Bing

, p. 382 - 384 (2016/07/06)

A variety of functionalised biaryls were synthesised on the 20-30 mmol scale by using Knochel type organozinc reagents (organozinc reagents prepared from aryl halides, Zn powder and LiCl) catalysed by PEPPSI (a pyridine enhanced palladium catalyst). The protocol enabled the Negishi reactions to proceed in a smooth, rapid and mild way to give the corresponding products in excellent yields (80 ~ 96%). Sensitive functional groups, such as CN and COOEt groups, were tolerated in the coupling reaction.

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