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2-Propen-1-ol, 3-cyclopropyl-, (2E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

158956-34-4

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158956-34-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158956-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,9,5 and 6 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 158956-34:
(8*1)+(7*5)+(6*8)+(5*9)+(4*5)+(3*6)+(2*3)+(1*4)=184
184 % 10 = 4
So 158956-34-4 is a valid CAS Registry Number.

158956-34-4Relevant academic research and scientific papers

Dramatic Effect of γ-Heteroatom Dienolate Substituents on Counterion Assisted Asymmetric Anionic Amino-Cope Reaction Cascades

Das, Pradipta,Delost, Michael D.,Qureshi, Munaum H.,Bao, Jianhua,Fell, Jason S.,Houk, Kendall N.,Njardarson, Jon T.

supporting information, p. 5793 - 5804 (2021/05/07)

We report a dramatic effect on product outcomes of the lithium ion enabled amino-Cope-like anionic asymmetric cascade when different γ-dienolate heteroatom substituents are employed. For dienolates with azide, thiomethyl, and trifluoromethylthiol substituents, a Mannich/amino-Cope/cyclization cascade ensues to form chiral cyclohexenone products with two new stereocenters in an anti-relationship. For fluoride-substituted nucleophiles, a Mannich/amino-Cope cascade proceeds to afford chiral acyclic products with two new stereocenters in a syn-relationship. Bromide- and chloride-substituted nucleophiles appear to proceed via the same pathway as the fluoride albeit with the added twist of a 3-exo-trig cyclization to yield chiral cyclopropane products with three stereocenters. When this same class of nucleophiles is substituted with a γ-nitro group, the Mannich-initiated cascade is now diverted to a β-lactam product instead of the amino-Cope pathway. These anionic asymmetric cascades are solvent- and counterion-dependent, with a lithium counterion being essential in combination with etheral solvents such as MTBE and CPME. By altering the geometry of the imine double bond from E to Z, the configurations at the R1 and X stereocenters are flipped. Mechanistic, computational, substituent, and counterion studies suggest that these cascades proceed via a common Mannich-product intermediate, which then proceeds via either a chair (X = N3, SMe, or SCF3) or boat-like (X = F, Cl, or Br) transition state to afford amino-Cope-like products or β-lactam in the case of X = NO2.

INHIBITORS OF INDOLEAMINE 2,3-DIOXYGENASE AND METHODS OF THEIR USE

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Page/Page column 181-182, (2020/02/16)

The present invention provides compounds of formula (I) wherein all of the variables are as defined herein. These compounds are inhibitors of indoleamine 2,3-dioxygenase (IDO), which may be used as medicaments for the treatment of proliferative disorders, such as cancer, viral infections and/or autoimmune diseases.

Electrochemical intramolecular aminooxygenation of unactivated alkenes

Xu, Fan,Zhu, Lin,Zhu, Shaobin,Yan, Xiaomei,Xu, Hai-Chao

supporting information, p. 12740 - 12744 (2015/03/30)

An electrochemical approach to the intramolecular aminooxygenation of unactivated alkenes has been developed. This process is based on the addition of nitrogen-centered radicals, generated through electrochemical oxidation, to alkenes followed by trapping of the cyclized radical intermediate with 2,2,6,6-tetramethylpiperidine-N-oxyl radical (TEMPO). Difunctionalization of a variety of alkenes with easily available carbamates/amides and TEMPO affords aminooxygenation products in high yields and with excellent trans selectivity for cyclic systems (d.r. up to>20:1). The approach provides a much-needed complementary route to existing cis-selective methods.

Catalytic dicyanative [4 + 2] cycloaddition triggered by cyanopalladation using ene-enynes and cyclic enynes with methyl acrylate

Arai, Shigeru,Koike, Yuka,Hada, Hirohiko,Nishida, Atsushi

supporting information; experimental part, p. 7573 - 7579 (2011/02/25)

Palladium-catalyzed dicyanative [4 + 2] cycloaddition using various ene-enynes was investigated. The key species in this process is a cyanoallene intermediate that is obtained by the cyanopalladation of conjugated enynes followed by 5-exo-cyclization. To

BENZYLBENZENE DERIVATIVES AND METHODS OF USE

-

, (2009/04/25)

Provided are compounds having an inhibitory effect on sodium-dependent glucose cotransporter SGLT. The invention also provides pharmaceutical compositions, methods of preparing the compounds, synthetic intermediates, and methods of using the compounds, independently or in combination with other therapeutic agents, for treating diseases and conditions which are affected by SGLT inhibition.

Syntheses of seven-membered rings: Ruthenium-catalyzed intramolecular [5+2] cycloadditions

Trost, Barry M.,Shen, Hong C.,Horne, Daniel B.,Toste, F. Dean,Steinmetz, Bernhard G.,Koradin, Christopher

, p. 2577 - 2590 (2007/10/03)

The Ru-catalyzed intramolecular [5+2] cycloaddition of cyclopropylenynes is investigated with respect to the regio- and diastereoselectivity as well as the functional group compatibility of the reaction. Evidence for the mechanism as occurring through a ruthenacyclopentene intermediate is elucidated from 1) the study of the diastereoselectivity of the cycloaddition; 2) the effect of variation of substituents on the regioselectivity of cyclopropyl bond cleavage in 1,2-trans- and 1,2-cis-disubstituted cyclopropanes and 3) examples that clearly do not involve ruthenacyclohexene as intermediates as products still incorporate the cyclo propyl moiety. The scope and limitations of the Ru-catalyzed cycloaddition are discussed and compared with the Rh-catalyzed reaction. The potential power of this methodology towards natural product total synthesis is demonstrated by the formation of several polycyclic systems with the chosen reaction conditions and readily available cyclopropylenyne substrates.

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