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834-99-1

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834-99-1 Usage

Class

Methoxyphenanthrenes

Derived from

Phenanthrene

Addition

Methoxy group

Type

Polycyclic aromatic hydrocarbon (PAH)

Common sources

Coal tar, crude oils

Applications

Organic synthesis, pharmaceuticals and fine chemicals production

Environmental and health concerns

Potential toxicity, carcinogenic effects

Check Digit Verification of cas no

The CAS Registry Mumber 834-99-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,3 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 834-99:
(5*8)+(4*3)+(3*4)+(2*9)+(1*9)=91
91 % 10 = 1
So 834-99-1 is a valid CAS Registry Number.
InChI:InChI=1/C15H12O/c1-16-15-8-4-7-13-12-6-3-2-5-11(12)9-10-14(13)15/h2-10H,1H3

834-99-1Downstream Products

834-99-1Relevant articles and documents

Giles,Sargent

, p. 215 (1974)

A novel and efficient synthesis of phenanthrene derivatives via palladium/norbornadiene-catalyzed domino one-pot reaction

Zhong, Yue,Wu, Wen-Yu,Yu, Shao-Peng,Fan, Tian-Yuan,Yu, Hai-Tao,Li, Nian-Guang,Shi, Zhi-Hao,Tang, Yu-Ping,Duan, Jin-Ao

supporting information, p. 291 - 298 (2019/02/20)

Herein we report a novel palladium-catalyzed reaction that results in phenanthrene derivatives using aryl iodides, ortho-bromoben-zoyl chlorides and norbornadiene in one pot. This dramatic transformation undergoes ortho-C–H activation, decarbonylation and subsequent a retro-Diels–Alder process. Pleasantly, this protocol has a wider substrate range, shorter reaction times and higher yields of products than previously reported methods.

Regioselective Synthesis of Polycyclic and Heptagon-embedded Aromatic Compounds through a Versatile π-Extension of Aryl Halides

Fu, Wai Chung,Wang, Zheng,Chan, Wesley Ting Kwok,Lin, Zhenyang,Kwong, Fuk Yee

supporting information, p. 7166 - 7170 (2017/06/13)

A versatile π-extension reaction was developed based on the three-component cross-coupling of aryl halides, 2-haloarylcarboxylic acids, and norbornadiene. The transformation is driven by the direction and subsequent decarboxylation of the carboxyl group, while norbornadiene serves as an ortho-C?H activator and ethylene synthon via a retro-Diels–Alder reaction. Comprehensive DFT calculations were performed to account for the catalytic intermediates.

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