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116059-49-5

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116059-49-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116059-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,0,5 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 116059-49:
(8*1)+(7*1)+(6*6)+(5*0)+(4*5)+(3*9)+(2*4)+(1*9)=115
115 % 10 = 5
So 116059-49-5 is a valid CAS Registry Number.

116059-49-5Relevant articles and documents

Selective deoxygenation of allylic alcohol: Stereocontrolled synthesis of lavandulol

Kim, Hee Jin,Su, Liang,Jung, Heejung,Koo, Sangho

supporting information; experimental part, p. 2682 - 2685 (2011/06/26)

Selective deoxygenation of allylic alcohol can be successfully carried out by the formation of alkoxyalkyl ether (EE or MOM), followed by Pd(dppe)Cl 2-catalyzed reduction with LiBHEt3. (+)-S-Lavandulol has been efficiently synthesized by the application of this protocol to the diol derived from the Pb(OAc)4-promoted oxidative ring-opening of (-)-R-carvone. This deoxygenation method is general and selective for allylic alcohols.

The Influence of Chain-branching on the Steric Outcome of Some Olefin-forming Reactions

Kocienski, Philip J.,Lythgoe, Basil,Waterhouse, Ian

, p. 1045 - 1050 (2007/10/02)

When applied to the construction of internal disubstituted double bonds in compounds such as pentadec-7-ene and 2,6,11,15-tetramethylhexadeca-2,6,8,10,14-pentaene (5), the reductive elimination of vicinal benzoyloxy-sulphones gives products with a trans:cis ratio of ca. 4:1.When applied to the construction of disubstituted olefins in which branching occurs adjacent to the newly formed double bond, much higher trans-stereoselectivity is observed, e.g. for 5-ethyl-2-methylhept-3-ene (21) and 3,6-dimethylocta-2,4,6-triene (25) it is at least 98percent.A similar effect of chain-branching is also observed in some Wittig and Horner reactions using primary allylic phosphorus derivatives.When a Z-allylic sulphone is used as the starting material in the benzoyloxy-sulphone method, the original Z-geometry is preserved in the product; (Z)-2-methylbut-2-enyl p-tolyl sulphone and tiglic aldehyde give almost exclusively (2E,4E,6Z)-3,6-dimethylocta-2,4,6-triene (27).

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