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94348-71-7

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94348-71-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94348-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,3,4 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 94348-71:
(7*9)+(6*4)+(5*3)+(4*4)+(3*8)+(2*7)+(1*1)=157
157 % 10 = 7
So 94348-71-7 is a valid CAS Registry Number.

94348-71-7Relevant articles and documents

Rhodium(II)-Catalyzed Reaction of 1-Tosyl-1,2,3-triazoles with Morita–Baylis–Hillman Adducts: Synthesis of 3,4-Fused Pyrroles

Jia, Renmeng,Meng, Jiang,Leng, Jiaying,Yu, Xingxin,Deng, Wei-Ping

, p. 2360 - 2364 (2018)

A cascade reaction of rhodium azavinylcarbenes with Morita–Baylis–Hillman (MBH) adducts enables a novel synthetic approach to 3,4-fused pyrroles. The cascade reaction begins with the insertion of O?H bond into rhodium azavinylcarbenes, subsquent sigmatropic rearrangement provides substituted α,β-unsaturated cyclic ketone intermediates. Then the intramolecular aza Michael addition/oxidative aromatization sequence give rise to a wide range of 3,4-fused pyrroles in good yields, and with excellent functional group compatibility.

Substituted (E)-2-methylene-3,4-cyclohexenones through direct and convenient synthesis from cyclohexenone-MBH alcohol in the presence of DMAP

Ren, Hong-Xia,Song, Xiang-Jia,Wu, Lin,Huang, Zhi-Cheng,Zou, Ying,Li, Xia,Chen, Xiao-Wen,Tian, Fang,Wang, Li-Xin

supporting information, p. 715 - 719 (2019/01/04)

An unexpected and effective DMAP catalyzed one-step construction of 3,4-cyclohexenone skeleton from simple and easily available cyclohexenone-MBH alcohol has been disclosed. A series of substituted (E)-2-methylene-3,4-cyclo-hexenones have been effectively prepared in excellent yields (up to 93 %) under convenient reaction conditions. Succesful scale-up preparation and synthetic transformations have demonstrated the potentials of this new protocol.

Efficient catalysis of aqueous Morita-Baylis-Hillman reactions of cyclic enones by a bicyclic imidazolyl alcohol

Gomes, Juliana C.,Rodrigues Jr., Manoel T.,Moyano, Albert,Coelho, Fernando

supporting information, p. 6861 - 6866 (2013/02/23)

In this paper a new phosphorus-free catalyst for the Morita-Baylis-Hillman reaction is disclosed. A bicyclic imidazolyl alcohol having a Lewis basic center associated with a hydrogen-bond donor group was used as catalyst for the reaction. Aliphatic cycloalkanones such as 2-cyclopentenone and 2-cyclohexanone and aliphatic and aromatic aldehydes were used successfully, and the reaction was found to work nicely using water as solvent in the presence of a phase-transfer additive. Copyright

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