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4071-58-3

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4071-58-3 Usage

Synthesis Reference(s)

Synthesis, p. 629, 1984Tetrahedron Letters, 20, p. 3489, 1979 DOI: 10.1016/S0040-4039(01)95442-5

Check Digit Verification of cas no

The CAS Registry Mumber 4071-58-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,7 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4071-58:
(6*4)+(5*0)+(4*7)+(3*1)+(2*5)+(1*8)=73
73 % 10 = 3
So 4071-58-3 is a valid CAS Registry Number.
InChI:InChI=1/C11H18O2/c1-9(12)6-8-11(2)7-4-3-5-10(11)13/h3-8H2,1-2H3

4071-58-3Downstream Products

4071-58-3Relevant articles and documents

Formal (3+3) cycloaddition of silyl enol ethers catalyzed by trifric imide: Domino michael addition-claisen condensation accompanied with isomerization of silyl enol ethers

Azuma, Takumi,Takemoto, Yoshiji,Takasu, Kiyosei

scheme or table, p. 1190 - 1193 (2011/10/09)

We describe here a Tf2NH-catalyzed formal (3+3) cycloaddition of silyl enol ethers with acrylates as a new domino reaction. In the domino sequence, the catalyst activates Michael addition, deprotonation of the resulting silyloxonium cation and

Lewis Acid Catalysed Michael-type Addition. A New Regio- and Diastereoselective Annulation Method using Methyl Vinyl Ketone

Duhamel, Pierre,Dujardin, Gilles,Hennequin, Laurent,Poirier, Jean-Marie

, p. 387 - 396 (2007/10/02)

A new annulation method is presented, involving a boron trifluoride catalysed Michael addition of trialkylsilyl enol ethers to methyl vinyl ketone (MVK) in the presence of a hydroxylic compound.This methodology allows regiospecific 3-oxobutylation of eith

Organotin triflates as functional Lewis acids. A new entry to simple and efficient Robinson annulation

Sato, Tsuneo,Wakahara, Yoshiyuki,Otera, Junzo,Nozaki, Hitosi

, p. 1581 - 1584 (2007/10/02)

An efficient Robinson annulation has been established through the Michael addition of enol silyl ethers to α-enones catalyzed by dibutyltinbis(triflate) followed by the MeONa-mediated intramolecular aldol condensation of the adducts.

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