Welcome to LookChem.com Sign In|Join Free

CAS

  • or

35629-85-7

Post Buying Request

35629-85-7 Suppliers

Recommended suppliersmore

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

35629-85-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 35629-85-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,6,2 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 35629-85:
(7*3)+(6*5)+(5*6)+(4*2)+(3*9)+(2*8)+(1*5)=137
137 % 10 = 7
So 35629-85-7 is a valid CAS Registry Number.

35629-85-7Relevant articles and documents

Unconjugated Arylcyclopropanes. Acid-Catalyzed Addition of Acetic Acid to Highly Hindered Arylcyclopropanes

Creary, Xavier

, p. 4653 - 4659 (2007/10/02)

The adduct of 1-naphthylcarbene and norbornene, endo-3-(1-naphthyl)-exo-tricyclo2,4>octane (9) has been prepared. 1H and 13C NMR spectra of this system indicate that the unconjugated arylcyclopropane conformation is favored.Rotation about the naphthyl-cyclopropane bond is restricted.The temperature-dependent NMR indicates a 16.9 kcal/mol barrier to attainment of the conjugated conformation.Acetic acid adds readily under acid catalysis to the phenyl analogue exo-3-phenyl-exo-tricyclo2,4>octane (3) and more slowly to the more strained endo-3-phenyl-exo-tricyclo2,4>octane (4).Kinetic data suggest the involvement of a cationic intermediate with little transition-state charge development at the benzylic carbon.The rates of addition to substituted analogues of 3 and 4 correlate with Hammett ? values, giving ρ values of 2.53 and 2.35, respectively.Product-analysis data support the involvement of a benzylic cation, 23.The slower rate of reaction of the more strained endo isomers has been interpreted in terms of a barrier to attainment of the conjugated conformation which appears to be the favorable conformation for protonation of arylcyclopropanes.This suggestion is supported by the observation that the unconjugated systems, exo- and endo-3-(2,6-dimethylphenyl)-exo-tricyclo-2,4>octanes (27 and 28), add acetic acid 480 and 6.2 x 104 times, respectively, more slowly than 3.

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 35629-85-7