Tag: M.W=500-600

Recommanded Product: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine, is researched, Molecular C34H22NO2P, CAS is 1265884-98-7, about Coordination-Induced Stereocontrol over Carbocations: Asymmetric Reductive Deoxygenation of Racemic Tertiary Alcohols. Author is Isomura, Mayuko; Petrone, David A.; Carreira, Erick M..

The inherent difficulty in eliciting facial control over carbocations has limited their utility as intermediates in asym. catalysis. We have now shown that a docking strategy involving the reversible coordination of a substrate to a chiral transition-metal catalyst can be used to enable highly stereoselective nucleophilic attack on intermediate tertiary carbocations. This approach has been implemented to achieve the first example of enantioselective reductive deoxygenation of tertiary alcs. This reduction occurs with high enantio- (up to 96% ee) and regioselectivity (up to >50:1 rr) by applying a novel Hantzsch ester analog as a convenient hydride source. In-depth mechanistic studies support the involvement of a tertiary carbocation that is coordinated to the iridium metal center via the key allene moiety.

After consulting a lot of data, we found that this compound(1265884-98-7)Recommanded Product: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

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 Asymmetric Total Syntheses of Insulicolide A, 14-O-Acetylinsulicolide A, 6β,9α-Dihydroxy-14-p-nitrobenzoylcinnamolide, and 7α,14-Dihydroxy-6β-p-nitrobenzoylconfertifolin, published in 2018-07-20, which mentions a compound: 1265884-98-7, Name is 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine, Molecular C34H22NO2P, Related Products of 1265884-98-7.

Asym. total syntheses of insulicolide A, 14-O-acetylinsulicolide A, 6β,9α-dihydroxy-14-p-nitrobenzoyl cinnamolide, and 7α,14-dihydroxy-6β-p-nitrobenzoylconfertifolin have been achieved for the first time. The key steps in the synthesis include: (1) an iridium-catalyzed enantioselective polyene cyclization to construct the drimane core bearing two all-carbon quaternary chiral centers at C4 and C10 and (2) a cascade ozonolysis of the phenol ring to form the lactone fragment of the target mols.

After consulting a lot of data, we found that this compound(1265884-98-7)Related Products of 1265884-98-7 can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

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: 1265884-98-7, is researched, Molecular C34H22NO2P, about Asymmetric Total Synthesis of Mycoleptodiscin A, the main research direction is mycoleptodiscin A asym total synthesis; CN bond formation; allylic substitution; indole terpenoids; iridium catalysis; polyene cyclization.Application of 1265884-98-7.

The first total synthesis of mycoleptodiscin A, a structurally unusual indolosesquiterpenoid possessing an ortho-benzoquinone motif, has been accomplished. A sulfone alkylation coupled two readily available fragments to give an aryl triene intermediate. The tetracyclic core of the mol. was assembled through a highly enantioselective iridium-catalyzed polyene cyclization. The benzylic homologation was achieved by a cationic cyanation. The indole motif was constructed via a copper-mediated intramol. C-N bond formation at a late stage.

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Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine(SMILESS: N1(P2OC3=CC=C4C=CC=CC4=C3C5=C6C=CC=CC6=CC=C5O2)C7=CC=CC=C7C=CC8=CC=CC=C81,cas:1265884-98-7) is researched.HPLC of Formula: 707-61-9. The article 《Enantioselective Ir-Catalyzed Allylic Alkylation of Racemic Allylic Alcohols with Malonates》 in relation to this compound, is published in Organic Letters. Let’s take a look at the latest research on this compound (cas:1265884-98-7).

Ir-catalyzed enantioselective allylic alkylation of branched racemic allylic alcs. with malonates is described. Enabled by Carreira’s chiral Ir/(P, olefin) complex, the method described allows allylic substitution with various aromatic alcs. and malonates with excellent enantioselectivity. The malonates could be used directly as efficient nucleophiles without the need of preactivation.

After consulting a lot of data, we found that this compound(1265884-98-7)Product Details of 1265884-98-7 can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

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 Iridium-Catalyzed Enantioconvergent Allylation of a Boron-Stabilized Organozinc Reagent, published in 2021-07-16, which mentions a compound: 1265884-98-7, Name is 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine, Molecular C34H22NO2P, Safety of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine.

An Ir-catalyzed enantioconvergent coupling of the versatile B-stabilized organozinc reagent BpinCH2ZnI with a racemic branched allylic carbonate was developed here, which differs from the authors’ previous work by using 1,1-bisborylmethane through the kinetic resolution process. The reaction has a broad substrate scope, and various chiral homoallylic organoboronic esters could be obtained in good yields with excellent enantioselectivities. The synthetic practicability of the products was demonstrated by their conversion to other useful families of compounds

After consulting a lot of data, we found that this compound(1265884-98-7)Safety of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

Safety of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine. 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. Compound: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine, is researched, Molecular C34H22NO2P, CAS is 1265884-98-7, about Origin of Stereodivergence in Cooperative Asymmetric Catalysis with Simultaneous Involvement of Two Chiral Catalysts.

Accomplishing high diastereo- and enantioselectivities simultaneously is a persistent challenge in asym. catalysis. The use of two chiral catalysts in one-pot conditions might offer new avenues to this end. Chirality transfer from a catalyst to product gets increasingly complex due to potential chiral match-mismatch issues. The origin of high enantio- and diastereoselectivities in the reaction between a racemic aldehyde and an allyl alc., catalyzed by using axially chiral iridium phosphoramidites PR/S-Ir and cinchona amine is established through transition-state modeling. The multipoint contact anal. of the stereocontrolling transition state revealed how the stereodivergence could be achieved by inverting the configuration of the chiral catalysts that are involved in the activation of the reacting partners. While the enantiocontrol is identified as being decided in the generation of PR/S-Ir-π-allyl intermediate from the allyl alc., the diastereocontrol arises due to the differential stabilizations in the C-C bond formation transition states. The anal. of the weak interactions in the transition states responsible for chiral induction revealed that the geometric disposition of the quinoline ring at the C8 chiral carbon of cinchona-enamine plays an anchoring role. The quinolone ring is noted as participating in a π-stacking interaction with the Ph ring of the Ir-π-allyl moiety in the case of PR with the (8R,9R)-cinchona catalyst combination, whereas a series of C-H···π interactions is identified as vital to the relative stabilization of the stereocontrolling transition states when PR is used with (8S,9S)-cinchona.

After consulting a lot of data, we found that this compound(1265884-98-7)Safety of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

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 Kinetic Resolution of Spiroindolines through Ir-Catalyzed Asymmetric Allylative Ring-Opening Reaction, published in 2021-09-03, which mentions a compound: 1265884-98-7, Name is 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine, Molecular C34H22NO2P, Synthetic Route of C34H22NO2P.

Kinetic resolution of racemic spiroindolines I [R = H, Me, MeO, F, Cl; X = H, Me, Cl; Y = H, Me, MeO, F, Cl; Z = H, Me, MeO, F; no stereo] with s factors of ≤15200 was developed to access enantiomerically enriched indole-annulated medium-sized lactams II [R1 = Ph, 2-thienyl, 2-naphthyl, etc.] and spiroindolines I [stereo = R] through Ir-catalyzed asym. allylative ring-opening reaction. D. functional theory calculations supported the idea that the accurate discrimination of two spiroindoline enantiomers by (η3-allyl)-iridium(III) species and the perfect central-to-axial chirality conversion during C-C bond fragmentation ensure the stereoselective formation of two contiguous stereogenic centers and one axis in the medium-sized lactams.

After consulting a lot of data, we found that this compound(1265884-98-7)Synthetic Route of C34H22NO2P can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 1265884-98-7, is researched, SMILESS is N1(P2OC3=CC=C4C=CC=CC4=C3C5=C6C=CC=CC6=CC=C5O2)C7=CC=CC=C7C=CC8=CC=CC=C81, Molecular C34H22NO2PJournal, Article, Angewandte Chemie, International Edition called Iridium-Catalyzed Enantioselective Allylic Alkylation with Functionalized Organozinc Bromides, Author is Hamilton, James Y.; Sarlah, David; Carreira, Erick M., the main research direction is carbonate racemic enantioselective regioselective allylic alkylation organozinc iridium catalyst; alkene branched asym synthesis; alkylation; allylic compounds; enantioselectivity; iridium; zinc.Electric Literature of C34H22NO2P.

Iridium-catalyzed enantioselective allylic alkylation of branched racemic carbonates R1CH(OBoc)CH:CH2 (R1 = MeCH:CH, Ph, 3-MeOC6H4, 3-thienyl, 2-naphthyl, PhCH2CH2CC, etc.) with functionalized alkylzinc bromide reagents R2ZnBr [R2 = EtO2C(CH2)3, NC(CH2)4, 1,3-dioxolan-2-ylmethyl, etc.] is described. Enabled by a chiral Ir/(P,olefin) complex, this method allows allylic substitution with various primary and secondary alkyl nucleophiles with excellent regio- and enantioselectivities. The developed reaction was showcased in a concise, asym. synthesis of (-)-preclamol.

After consulting a lot of data, we found that this compound(1265884-98-7)Electric Literature of C34H22NO2P can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

Reference of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine, is researched, Molecular C34H22NO2P, CAS is 1265884-98-7, about Diastereo- and Enantioselective Synthesis of Borylated 3-Hydroxyoxindoles by Addition of gem-Diborylalkanes to Isatins. Author is Zhou, Yuan; Xiong, Tong; Zhou, Li-Yan; Li, Hong-Yan; Xiao, You-Cai; Chen, Fen-Er.

The catalytic asym. synthesis of borylated 3-hydroxyoxindoles by addition of gem-diborylalkanes to isatins is disclosed. Chiral 3-hydroxyoxindoles bearing two contiguous stereogenic centers were produced in up to >20:1 dr and 99% ee. The synthetic utility of the corresponding products is presented through several transformations of the boryl moiety. This report provides an efficient strategy to incorporate a boryl functional group toward the synthesis of 3-hydroxyoxindoles.

After consulting a lot of data, we found that this compound(1265884-98-7)Reference of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

Application In Synthesis of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine, is researched, Molecular C34H22NO2P, CAS is 1265884-98-7, about Stereodivergent Dual Catalytic α-Allylation of Protected α-Amino- and α-Hydroxyacetaldehydes. Author is Sandmeier, Tobias; Krautwald, Simon; Zipfel, Hannes F.; Carreira, Erick M..

Fully stereodivergent dual-catalytic α-allylation of protected α-amino- and α-hydroxyacetaldehydes is achieved through iridium- and amine-catalyzed substitution of racemic allylic alcs. with chiral enamines generated in situ. The operationally simple method furnishes useful aldehyde building blocks in good yields, more than 99 % ee, and with d.r. values greater than 20:1 in some cases [e.g., allylation of 2-phthalimidoacetaldehyde with Ph vinyl carbinol in presence of [Ir(cod)Cl]2 complex with (R)-I/(S)-II in presence of dichloroacetic acid afforded (R,R)-III (81% yield, >99% ee, >20:1 d.r.)]. Addnl., the γ,δ-unsaturated products can be further functionalized in a stereodivergent fashion with high selectivity and with preservation of stereochem. integrity at the Cα position.

After consulting a lot of data, we found that this compound(1265884-98-7)Application In Synthesis of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem