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5-(tert-Butyl-diphenyl-silanyloxy)-1-trimethylsilanyl-pent-1-yn-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

105198-76-3

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105198-76-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105198-76-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,1,9 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 105198-76:
(8*1)+(7*0)+(6*5)+(5*1)+(4*9)+(3*8)+(2*7)+(1*6)=123
123 % 10 = 3
So 105198-76-3 is a valid CAS Registry Number.

105198-76-3Relevant academic research and scientific papers

A General Strategy for the Synthesis of Monohydroxyeicosatetraenoic Acids: Total Synthesis of 5(S)-Hydroxy-6(E),8,11,14(Z)-eicosatetraenoic Acid (5-HETE) and 12(S)-Hydroxy-5,8,14(Z),10(E)-eicosatetraenoic Acid (12-HETE)

Nicolaou, K. C.,Ladduwahetty, T.,Taffer, I. M.,Zipkin, R. E.

, p. 344 - 347 (1986)

Stereocontrolled total syntheses of 5(S)-hydroxy-6(E),8,11,14(Z)-eicosatetraenoic acid (5-HETE) and 12(S)-hydroxy-5,8,14(Z),10(E)-eicosatetraenoic acid (12-HETE) via palladium(0)-copper(I) coupling technology are described.

Synthesis of a TNF inhibitor, flurbiprofen and an: I -Pr analogue in enantioenriched forms by copper-catalyzed propargylic substitution with Grignard reagents

Isogawa, Yukari,Kobayashi, Yuichi,Ogawa, Narihito,Takashima, Yuji,Tsuboi, Atsuki

, p. 9906 - 9909 (2021/12/07)

The copper-catalyzed substitution reaction of diethyl phosphate derived from TMSCCCH(OH)CH2CH2OTBDPS with 3-c-C5H9-4-MeOC6H3MgBr, followed by several transformations, afforded a tumor necrosis factor inhibitor possessing a Ph-acetylene moiety. The inhibitor was also synthesized from phenylacetylene phosphate PhCCCH(OP(O)(OEt)2)CH2CH2OTBDPS. Furthermore, the substitution of phosphates derived from TMSCCCH(OH)CH3 and TMSCCCH(OH)-i-Pr with 3-F-4-PhC6H3MgBr gave the corresponding substitution products, which were transformed to flurbiprofen and its i-Pr analogue, respectively. The copper-catalyzed substitutions in these syntheses proceeded in a regio- and stereoselective manner. This journal is

A key intermediate towards oxylipins. A formal synthesis of (12S)-HETE and (12S)-LTB4

Benkouider, Abdelhamid,Pale, Patrick

, p. 104 - 105 (2007/10/03)

A key intermediate in the synthesis of various oxylipins, the optically active (3S,5Z)-3-methoxymethoxyundec-5-en-1-yne, has been obtained in 11 steps starting from propane-1,3-diol, with an overall yield of 14%.

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