Welcome to LookChem.com Sign In|Join Free

CAS

  • or

74346-22-8

Post Buying Request

74346-22-8 Suppliers

Recommended suppliersmore

  • Product
  • FOB Price
  • Min.Order
  • Supply Ability
  • Supplier
  • Contact Supplier

74346-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74346-22-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,4 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74346-22:
(7*7)+(6*4)+(5*3)+(4*4)+(3*6)+(2*2)+(1*2)=128
128 % 10 = 8
So 74346-22-8 is a valid CAS Registry Number.

74346-22-8Relevant articles and documents

Electrochemical Semipinacol Rearrangements of Allylic Alcohols: Construction of All-Carbon Quaternary Stereocenters

Kang, Jun-Chen,Tu, Yong-Qiang,Dong, Jia-Wei,Chen, Chao,Zhou, Jia,Ding, Tong-Mei,Zai, Jian-Tao,Chen, Zhi-Min,Zhang, Shu-Yu

, p. 2536 - 2540 (2019)

The first examples of electrochemical trifluoromethylation and sulfonylation/semipinacol rearrangements of allylic alcohols were developed using cheap and stable RSO2Na (R = CF3, Ph) as reagents. Various β-trifluoromethyl and sulfonated ketones were obtained in moderate to excellent yields. This strategy provides a facile, direct, and complementary approach to construct all-carbon quaternary stereocenters. In addition, the reaction has the advantages of being chemical oxidant-free and metal-free and has safe and mild reaction conditions.

Metal-Free Transfer Hydrobromination of C-C Triple Bonds

Chen, Weiqiang,Oestreich, Martin

supporting information, p. 4531 - 4534 (2019/06/27)

A transfer hydrobromination of C-C triple bonds inititated by Br?nsted acids is reported. Hydrogen bromide is released stepwise from a bench-stable cyclohexa-1,4-diene-based surrogate, generating biphenyl and ethylene as waste. A range of vinyl bromides was prepared from terminal and internal, mainly acceptor-substituted alkynes with good functional-group tolerance.

A catalytic allylic cation-induced intermolecular allylation-semipinacol rearrangement

Xu, Ming-Hui,Dai, Kun-Long,Tu, Yong-Qiang,Zhang, Xiao-Ming,Zhang, Fu-Min,Wang, Shao-Hua

supporting information, p. 7685 - 7688 (2018/07/15)

A catalytic intermolecular semipinacol rearrangement induced by allylic carbocations has been realized. This tandem reaction is highly efficient under the catalysis of ZnBr2, generating a wide range of α-homoallyl substituted ketones which contain all-carbon quaternary centres in good to excellent yields (up to 98%) with moderate to high diastereoselectivities (up to >20?:?1). Synthetic application of this novel methodology in the construction of core structures of natural products is also reported.

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 74346-22-8