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1350844-81-3

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1350844-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1350844-81-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,0,8,4 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1350844-81:
(9*1)+(8*3)+(7*5)+(6*0)+(5*8)+(4*4)+(3*4)+(2*8)+(1*1)=153
153 % 10 = 3
So 1350844-81-3 is a valid CAS Registry Number.

1350844-81-3Downstream Products

1350844-81-3Relevant articles and documents

Rh-catalyzed sequential oxidative C-H activation/annulation with geminal-substituted vinyl acetates to access isoquinolines

Chu, Haoke,Sun, Song,Yu, Jin-Tao,Cheng, Jiang

, p. 13327 - 13329 (2015)

The concise synthesis of 3-substituted or non-C3-substituted isoquinolines through Rh-catalyzed sequential oxidative C-H activation/annulation with geminal-substituted vinyl acetates was developed with good functional group tolerance. The protocol was successfully applied to the total synthesis of the natural product papaverine.

Synthesis method of 1, 3-disubstituted isoquinoline derivative

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Paragraph 0038-0050; 0075-0077, (2021/07/17)

The invention discloses a synthesis method of a 1, 3-disubstituted isoquinoline derivative, which comprises the steps of adding an enamine compound, a sulfoxide ylide compound and a dichloro (pentamethylcyclopentadienyl) rhodium (III) dimer into an organic solvent, heating under a nitrogen condition to react, and after the reaction is completed, performing post-treatment to obtain the 1, 3-disubstituted isoquinoline compound. According to the method, the 1, 3-disubstituted isoquinoline derivative is synthesized in one step through simple and easily available raw materials, the conversion efficiency is high, and the atom economy is good; and meanwhile, the method is simple to operate, high in reaction yield and wide in substrate adaptability.

Bidentate Directing-Enabled, Traceless Heterocycle Synthesis: Cobalt-Catalyzed Access to Isoquinolines

Zhou, Shuguang,Wang, Mingyang,Wang, Lili,Chen, Kehao,Wang, Jinhu,Song, Chao,Zhu, Jin

supporting information, p. 5632 - 5635 (2016/11/17)

Traceless heterocycle synthesis based on transition-metal-catalyzed C-H functionalization is synthetically appealing but has been realized only in monodentate directing systems. Bidentate directing systems allow for the achievement of high catalytic reactivity without the need for a high-cost privileged ligand. The first bidentate directing-enabled, traceless heterocycle synthesis is demonstrated in the cobalt-catalyzed synthesis of isoquinolines via 2-hydrazinylpyridine-directed C-H coupling/cyclization with alkynes. Convenient directing group installation through a ubiquitously present ketone group allows synthetic elaboration for complex molecules.

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