Tag: M.W=100-200

Recommanded Product: 60827-45-4. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Spontaneous resolution amongst chiral ortho-cyanophenyl glycerol derivatives: an effective preferential crystallization approach to a single enantiomer of the β-adrenoblocker bunitrolol. Author is Bredikhina, Zemfira A.; Akhatova, Flyura S.; Zakharychev, Dmitry V.; Bredikhin, Alexander A..

The β-adrenoblocker bunitrolol I as well as intermediate cyclic sulfate II and glycidyl ether III have been prepared in enantiopure form by starting from enantiopure o-cyanophenyl glycerol ether IV by an entrainment resolution procedure. Thermal investigations reveal that the hydrochloride salt of I forms a moderately stable racemic compound, whereas IV, II and III are conglomerate forming substances potentially capable of entrainment resolution Some chem. and chiroptical characteristics for bunitrolol and possible intermediates in its synthesis were corrected, and configurations were verified with the configuration of hydrochloride salt of I.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Activities of various 6-chloro-6-deoxysugars and (S)α-chlorohydrin in producing spermatocoeles in rats and paralysis in mice and in inhibiting glucose metabolism in bull spermatozoa in vitro, published in 1982-05-31, which mentions a compound: 60827-45-4, mainly applied to contraceptive male chlorodeoxy sugar; chlorohydrin male contraceptive; toxicity male contraceptive chlorodeoxysugar, COA of Formula: C3H7ClO2.

6-chloro-6-deoxyglucose (I) [40656-44-8], 6-chloro-6-deoxymannose  [4990-81-2], 6-chloro-6-deoxyfructose  [66451-66-9], 6-chloro-6-deoxyglucitol  [76986-26-0], 6-chloro-6-deoxygalactose  [18465-32-2], and (S)α-chlorohydrin  [60827-45-4] all produced spermatoceles in the efferent ducts and epididymis of the rat and were neurotoxic in the mouse, but only α-chlorohydrin caused substantial inhibition of D-glucose  [50-99-7] metabolism in bull spermatozoa in vitro. The relative potencies of the compounds in producing spermatoceles reflected their activities as reversible antifertility agents in the rat but compared to the others 6-chloro-6-deoxymannose was considerably less neurotoxic to mice than might have been anticipated from its contraceptive dose. Thus, different metabolites may be responsible for causing the antifertility and the neurotoxic effects.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Bumagin, N. A.; Kalinovskii, I. O.; Beletskaya, I. P. researched the compound: Mesitylcopper(I)( cas:75732-01-3 ).Safety of Mesitylcopper(I).They published the article 《The palladium-catalyzed cross-coupling reactions of mesitylcopper with aryl iodides》 about this compound( cas:75732-01-3 ) in Journal of Organometallic Chemistry. Keywords: cross coupling reaction mesitylcopper; aryl iodide coupling mesitylcopper; biphenyl. We’ll tell you more about this compound (cas:75732-01-3).

Mesitylcopper reacts with aryl iodides p-IC6H4R (R = MeO, Cl, Ac, CN, NO2), containing both electron-withdrawing and electron-donating groups, in the presence of 1 equiv Bu4NX (X = Br, I) and 1 mol % of PhPdI(PPh3)2 to give cross-coupling products p-R1C6H4R (same R; R1 = mesityl) in high yields.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Niemeyer, Mark researched the compound: Mesitylcopper(I)( cas:75732-01-3 ).Safety of Mesitylcopper(I).They published the article 《Reaction of copper aryls with imidazol-2-ylidenes or triphenylphosphine. Formation of 1:1-adducts with two-coordinate copper atoms》 about this compound( cas:75732-01-3 ) in Zeitschrift fuer Anorganische und Allgemeine Chemie. Keywords: imidazolylidene reaction copper aryl; triphenylphosphine reaction copper aryl; copper aryl carbene complex preparation structure DFT; crystal structure copper two coordinate aryl imidazolylidene triphenylphosphine adduct; mol structure copper two coordinate aryl imidazolylidene triphenylphosphine adduct. We’ll tell you more about this compound (cas:75732-01-3).

The reaction of the Cu aryls CuDmp (Dmp = 2,6-Mes2C6H3; Mes = 2,4,6-Me3C6H2) and CuMes with the σ-donors PPh3 and 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene [C[N(i-Pr)CMe]2] affords the adducts DmpCu←PPh3 (1), DmpCu←C{N(i-Pr)CMe}2 (2) and MesCu←C{N(i-Pr)CMe}2 (3) in 65-84% yields. The colorless compounds were characterized by 1H and 13C NMR spectroscopy, single crystal structure anal., and also by 31P NMR spectroscopy of 1, elemental anal. of 2, mass spectrometry of 2 and 3, IR spectroscopy of 2 and m.p. of 2 and 3. In the solid-state structures the two-coordinate Cu atoms have relatively short Cu-P and Cu-C(carbene) distances of 218.91(11) of 1, 190.2(3) of 2 and 191.1(4) pm of 3. DFT calculations at the B3PW91 level were performed for the model compound PhCu←C[N(H)CH]2 and also for the free carbene ligand C[N(H)CH]2.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Name: (2S)-(+)-3-Chloropropane-1,2-diol. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Asymmetric hydrolysis of esters by biochemical methods. Part III. Asymmetric hydrolysis of (±)-1,2-diacetoxy-3-chloropropane and its related compounds with lipase. Synthesis of optically pure (S)-propranolol. Author is Iriuchijima, Shinobu; Kojima, Natsuko.

Asym. hydrolysis of (±)-1,2-diacetoxy-3-chloropropane (I) using lipoprotein lipase gave (S)-I of 90% enantiomeric excess (e.e.). Reactions of (S)-I with phenols in an alk. condition yielded the corresponding (S)-3-aryloxy-1,2-propranediols. (S)-Propranolol was prepared from (S)-3-(1-naphthoxy)-1,2-propanediol. Hydrolysis of (±)-1,2-diacetoxy-3-bromopropane (II) and (±)-1,2-diacetoxyethylbenzene (III) with the lipase afforded (S)-II of 77% e.e. and (R)-III of 73% e.e., resp.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Haakansson, Mikael; Oertendahl, Mikael; Jagner, Susan; Sigalas, Michael P.; Eisenstein, Odile researched the compound: Mesitylcopper(I)( cas:75732-01-3 ).Quality Control of Mesitylcopper(I).They published the article 《Splitting dioxygen with mesitylcopper(I). An arylcopper(I) intermediate, formed in a coupling reaction, containing two trapped trigonal pyramidally coordinated oxides》 about this compound( cas:75732-01-3 ) in Inorganic Chemistry. Keywords: crystal structure hexamesitylene decacopper oxide cluster; mol structure hexamesitylene decacopper oxide cluster; mesitylene copper oxide cluster EHMO. We’ll tell you more about this compound (cas:75732-01-3).

Oxidatively induced reductive coupling of mesityl from mesitylcopper(I) effected by dioxygen is shown to result in an intermediate, [Cu10O2(Mes)6], containing oxide ligands trapped in an unusual coordination mode on the surface of the cluster. [Cu10O2(Mes)6] was characterized by x-ray crystallog. The complex has approx. D3h symmetry such that the two oxide ligands and a central copper(I) are situated on the approx. 3-fold axis while the remaining nine copper(I) centers form three wings, each with three copper(I) atoms participating in 2 electron-3 center bonds with two mesityl groups. Cu···Cu distances involved in the latter interactions range from 2.376(8) to 2.439(6) Å. The oxide ligands are trigonal pyramidally coordinated by four copper(I) atoms at distances of 1.81(2)-1.90(2) Å and are slightly displaced (0.1 Å) from the cluster surface, i.e. from the trigonal coordination plane, toward the central cooper(I). The unusual coordination mode of oxygen on the surface of the cluster, the extreme instability of the complex, and its color are discussed in the context of extended Hueckel (EHT) calculations

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Inhibition of fructolysis in boar spermatozoa by the male antifertility agent (S)-α-chlorohydrin, published in 1982, which mentions a compound: 60827-45-4, Name is (2S)-(+)-3-Chloropropane-1,2-diol, Molecular C3H7ClO2, Name: (2S)-(+)-3-Chloropropane-1,2-diol.

The male antifertility agent (S)-α-chlorohydrin  [60827-45-4] strongly inhibited the oxidative metabolism of fructose  [57-48-7] by boar spermatozoa in vitro. The result of this action, which has been deduced to be an inhibition of glyceraldehyde phosphate dehydrogenase, caused an accumulation of fructose 1,6-bisphosphate  [488-69-7] and the triose phosphates, and a decrease in substrate-level phosphorylation with a concomitant lowering of the energy charge potential of the spermatozoa. (R)-α-chlorohydrin  [57090-45-6] Had no inhibitory activity on fructolysis. A study of the comparative metabolism of (R)-[3-36Cl]-α-chlorohydrin and (R,S)-[3-36Cl]-α-chlorohydrin by boar spermatozoa showed that it is the (S)-isomer that specifically undergoes a process of oxidative metabolism to (R)-3-chlorolactaldehyde  [84607-54-5]. This endogenous oxidation product, which has the same absolute configuration as the substrate for glyceraldehyde phosphate dehydrogenase, may be the active metabolite of (S)-α-chlorohydrin that inhibits this enzyme. Exogenous (R,S)-3-chlorolactaldehyde  [84709-24-0] inhibited the oxidative metabolism of fructose by boar spermatozoa, apparently by a mechanism similar to that of (S)-α-chlorohydrin.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Novel S1P1 Receptor Agonists – Part 2: From Bicyclo[3.1.0]hexane-Fused Thiophenes to Isobutyl Substituted Thiophenes, published in 2014-01-09, which mentions a compound: 60827-45-4, mainly applied to isobutyl substituted thiophene derivative preparation S1P receptor agonist, Product Details of 60827-45-4.

Previously, we reported on the discovery of a novel series of bicyclo[3.1.0]hexane fused thiophene derivatives that serve as potent and selective S1P1 receptor agonists. Here, we discuss our efforts to simplify the bicyclohexane fused thiophene head. In a first step the bicyclohexane moiety could be replaced by a simpler, less rigid cyclohexane ring without compromising the S1P receptor affinity profile of these novel compounds In a second step, the thiophene head was simplified even further by replacing the cyclohexane ring with an iso-Bu group attached either to position 4 or position 5 of the thiophene. These structurally much simpler headgroups again furnished potent and selective S1P1 agonists (e.g., 87), which efficiently and dose dependently reduced the number of circulating lymphocytes upon oral administration to male Wistar rats. For several compounds discussed in this report lymphatic transport is an important route of absorption that may offer opportunities for a tissue targeted approach with minimal plasma exposure.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 60827-45-4, is researched, Molecular C3H7ClO2, about Stereospecific analysis of fatty acid esters of chloropropanediol isolated from fresh goat milk, the main research direction is chlorodiglyceride goat milk.HPLC of Formula: 60827-45-4.

The fatty acid esters of chloropropanediol isolated from goat milk fat in small quantities were subjected to a stereospecific anal. via phospholipase C and phosphocholine esters as intermediates. Synthetic racemic 1-chloro-2,3-dioleoylpropanediol was prepared by standard methods and was used as a control. The stereospecific analyses were performed following release of the fatty acids from the primary positions of each chloropropanediol diester with pancreatic lipase. The resulting 1-chloro-2-acylpropanediols were then converted into the corresponding phosphocholine derivatives by a stepwise reaction with phosphorus oxychloride and choline chloride. The 1-chloro-2-acyl-3-phosphocholinepropanediols were subjected to hydrolysis with phospholipase C (Clostridium perfringens), which hydrolyzed 50% of the phosphatide within 2 min and the rest of it in 2 h. From previous experience with glycerol esters, it was assumed that the more rapidly hydrolyzed mols. were the sn-1-chloro-2-acylpropanediol derivatives and the more slowly hydrolyzed ones the sn-2-acyl-3-chloropropanediol derivatives Hydrolysis with phospholipase A2 (Crotalus adamanteus) released 50% of the total fatty acid along with the corresponding lyso compound within 10 min, after which there was no further reaction. The hydrolysis products were assayed directly by gas chromatog. or were isolated by TLC prior to quantitation by gas chromatog. Both naturally occurring and synthetic chloropropanediol diesters behaved similarly on stereospecific anal. and were therefore concluded to be racemic.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Rupini, Boyina; Pasricha, Sharda; Rathi, Brijesh published an article about the compound: (2S)-(+)-3-Chloropropane-1,2-diol( cas:60827-45-4,SMILESS:OC[C@H](O)CCl ).Electric Literature of C3H7ClO2. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:60827-45-4) through the article.

Asym. reductive amination of carbonyl compounds was carried out using a novel class of aliphatic quaternary ammonium based chiral ionic liquid (R)-2,3-dihydroxy-N,N,N-tributylpropanaminum bromide chiral ionic liquid was synthesized, characterized and used for asym. reductive amination of carbonyl compounds in the presence of sodium borohydride. These preliminary results are encouraging and advocate dual role of novel ionic liquid as a medium and reducing agent for proficient conversion of ketones to amines, however, reductive amination reaction needs to be established for other substituents.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com