Month: March 2022

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Methyl tetrahydrofuran-2-carboxylate(SMILESS: O=C(C1OCCC1)OC,cas:37443-42-8) is researched.Name: 2-Furoic hydrazide. The article 《Catalytic hydrogenation of furan derivatives. 8. The behavior of products with the passage of the reaction time》 in relation to this compound, is published in Tsuruoka Kogyo Koto Senmon Gakko Kenkyu Kiyo. Let’s take a look at the latest research on this compound (cas:37443-42-8).

Hydrogenation of I in R1OH (R1 = lower alkyl) in the presence of Pd black or PdO was studied. I (R = H, Me) over Pd black formed small amounts of intermediate by-product ketals (II), which were hydrogenolyzed to the main products (III). With PdO, considerable amounts of II were formed from I (R = H, Me, CH:CHCO2Me, CO2Me). The amount of II formed decreased with increasing size of both R and R1.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

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: 3326-71-4, is researched, SMILESS is O=C(C1=CC=CO1)NN, Molecular C5H6N2O2Journal, Article, Beilstein Journal of Organic Chemistry called One-pot activation-alkynylation-cyclization synthesis of 1,5-diacyl-5-hydroxypyrazolines in a consecutive three-component fashion, Author is Goergen, Christina; Boden, Katharina; Reiss, Guido J.; Frank, Walter; Mueller, Thomas J. J., the main research direction is diacyl hydroxypyrazoline preparation; hetero aryl glyoxylic acid arylacetylene hydrazide activation alkynylation cyclization; C–C coupling; activation; alkynylation; copper; cyclization; multicomponent reactions.Name: 2-Furoic hydrazide.

A consecutive three-component activation-alkynylation-cyclization reaction of (hetero)aryl glyoxylic acids, oxalyl chloride, arylacetylenes, and hydrazides efficiently forms 1,5-diacyl-5-hydroxypyrazolines in moderate to good yields. The structures were unambiguously corroborated by comprehensive NMR spectroscopy and X-ray structure analyses of selected derivatives

Here is a brief introduction to this compound(3326-71-4)Name: 2-Furoic hydrazide, if you want to know about other compounds related to this compound(3326-71-4), you can read my other articles.

Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Yu, Xiang; Zhao, You-Fang; Huang, Guo-Juan; Chen, Ya-Fang published an article about the compound: 2-Furoic hydrazide( cas:3326-71-4,SMILESS:O=C(C1=CC=CO1)NN ).Electric Literature of C5H6N2O2. 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:3326-71-4) through the article.

Twelve novel 7-diethylaminocoumarin-based 1,3,4-oxadiazole derivatives I [R = n-Bu, 2-thienyl, Ph, etc.] were synthesized via iodine-mediated oxidative cyclization and confirmed by 1H NMR, 13C NMR and HRMS. The synthesized derivatives I were tested against in-vitro acetylcholinesterase inhibitory activity and results showed that compounds I [R = 4-ClC6H4, 4-BrC6H4] exhibited moderate inhibitory activities with 69.19% and 65.06%, resp. The preliminary structure-activity relationships revealed that introduction of halogen atom on the para-position of Ph of compounds I could enhance their activities. Mol. docking study suggested that compound I [R = ClC6H4] possessed an optimal docking pose with interactions inside AChE.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

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: 610-09-3, is researched, SMILESS is O=C([C@H]1[C@@H](C(O)=O)CCCC1)O, Molecular C8H12O4Journal, Article, Acta Crystallographica, Section C: Crystal Structure Communications called Poly[(μ6-rac-cis-cyclohexane-1,2-dicarboxylato)strontium], Author is Robertson, Karen A.; Harrison, William T. A., the main research direction is strontium cyclohexanedicarboxylato bridged complex crystal structure; supramol mol structure strontium cyclohexanedicarboxylato bridged complex; conformation strontium cyclohexanedicarboxylato bridged complex.Application of 610-09-3.

In the title layered coordination polymer, [Sr(C8H10O4)]n, the strontium ion adopts a distorted square-antiprismatic SrO8 geometry, arising from its coordination by six different cis-cyclohexane-1,2-dicarboxylate dianions (two bidentate and four monodentate). Within the dianion, the cyclohexane ring adopts a chair conformation and the dihedral angle between the planes of the -CO2- groups is 80.4 (6)°. The polyhedral linkage pattern leads to (100) sheets in the crystal in which the SrO8 groups share triangular faces and edges in which the Sr···Sr topol. connectivity is a 63 net. The crystal studied was a nonmerohedral twin, with the components related by a 180° rotation about [100].

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 2-Furoic hydrazide( cas:3326-71-4 ) is researched.Electric Literature of C5H6N2O2.Sylla-Gueye, Rokhaya; Thiam, Ibrahima Elhadji; Orton, James; Coles, Simon; Gaye, Mohamed published the article 《Crystal structure of N′-[4-(dimethylamino)benzylidene]furan-2-carbohydrazide monohydrate》 about this compound( cas:3326-71-4 ) in Acta Crystallographica, Section E: Crystallographic Communications. Keywords: furoic hydrazide dimethyl aminobenzaldehyde crystal structure; crystal structure; furoic acid; hydrazide; hydrazone. Let’s learn more about this compound (cas:3326-71-4).

The condensation of 2-furoic hydrazide and 4-dimethyl aminobenzaldehyde in ethanol yielded a yellow solid formulated as the title compound, C14H15N3O2·H2O. The crystal packing is stabilized by intermol. O(water)-H···O,N(carbohydrazide) and N-H···O(water) hydrogen bonds, which form a two-dimensional network along the bc plane. Addnl. C-H···O interactions link the mols. into a three-dimensional network. The dihedral angle between the mean planes of the benzene and the furan ring is 34.47 (6)°. The carbohydrazide moiety, i.e., the C=N-N-C=O fragment and the benzene ring are almost coplanar, with an angle of 6.75 (9)° between their mean planes.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics