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770-85-4

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770-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 770-85-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,7 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 770-85:
(5*7)+(4*7)+(3*0)+(2*8)+(1*5)=84
84 % 10 = 4
So 770-85-4 is a valid CAS Registry Number.

770-85-4Relevant articles and documents

Rearrangement of Ketones. Part 3. Kinetic Study and Intermediate Complexes in the Reaction of t-Butyl Phenyl Ketone with Aluminium Chloride

Fernandez-Monreal, Maria C.,Ruiz, Maria P.,San-Roman, Julio

, p. 1983 - 1988 (1988)

A kinetic study of the rearrangement of t-butyl phenol ketone to 3-methyl-3-phenylbutan-2-one with aluminium chloride is reported.In addition, a study by (1)H and (13)C n.m.r. of the system t-butyl phenyl ketone-aluminium chloride in benzene shows the con

Lewis Acid Assisted Electrophilic Fluorine-Catalyzed Pinacol Rearrangement of Hydrobenzoin Substrates: One-Pot Synthesis of (±)-Latifine and (±)-Cherylline

Shi, Hui,Du, Chuan,Zhang, Xinhang,Xie, Fukai,Wang, Xiaoyu,Cui, Shanshan,Peng, Xiaoshi,Cheng, Maosheng,Lin, Bin,Liu, Yongxiang

, p. 1312 - 1319 (2018/02/09)

A microwave-irradiated solvent-free pinacol rearrangement of hydrobenzoin substrates catalyzed by a combination of N-fluorobenzenesulfonimide and FeCl3·6H2O was developed. Its selectivity was first investigated by density functional theory (DFT) calculations. Then the functional group tolerance was examined by synthesizing a series of substrates designed based on the insight provided by the DFT calculations. The application of the methodology was demonstrated by the efficient one-pot synthesis of (±)-latifine and (±)-cherylline, both are 4-aryltetrahydroisoquinoline alkaloids isolated from Amaryllidacecae plants.

A gold catalytic pinacone method of rearrangement of

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Paragraph 0067; 0068; 0069; 0070; 0071, (2017/11/22)

The invention provides a method used for catalytic rearrangement of pinacol with gold. A reaction general formula is disclosed in the invention, wherein R1, R2, R3, and R4 may be common alkyl, cycloalkyl, and aromatic rings. A gold catalyst needed by reac

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