Syntheses of Dimethyl (1S,2R)-3-Bromocyclohexa-3,5-diene-1,2-dicarboxylate and Its Enantiomer
نویسندگان
چکیده
منابع مشابه
Synthesis of Enaminones and Their Reaction with Dimethyl Acetylene Dicarboxylate
In present paper a simple procedure for the synthesis of enaminones without catalyst from 1,3-diketones that reacted with primary or secondary amines in ethanol as solvent, as well as the reaction of enaminones with unsaturated esters such as dimethyl acetylene dicarboxylate are reported.
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The title compound, C(16)H(19)NO(4), the hydrogenated ring adopts a twisted conformation. In the crystal, inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into centrosymmetric R(2) (2)(10) dimers. These dimers are further connected via inter-molecular N-H⋯O hydrogen bonds, forming infinite double chains along [001].
متن کاملDimethyl 11,13-dimethyl-16-[1,2-bis(methoxycarbonyl)ethenyl]-12-oxo-16,17-dioxa-18-azahexacyclo[7.5.1.11,4.16,9.110,14.05,15]octadeca-2,7-diene-2,3-dicarboxylate
The title compound, C(27)H(29)NO(11), is a product of the tandem 'domino' Diels-Alder reaction. The mol-ecule comprises a fused hexa-cyclic system containing four five-membered rings (two dihydro-furan and two tetra-hydro-furan) in the usual envelope conformations and two six-membered rings (tetra-hydro-pyridinone and piperidine) adopting slightly flattened boat and chair conformations, respect...
متن کاملsynthesis of enaminones and their reaction with dimethyl acetylene dicarboxylate
in present paper a simple procedure for the synthesis of enaminones without catalyst from 1,3-diketones that reacted with primary or secondary amines in ethanol as solvent, as well as the reaction of enaminones with unsaturated esters such as dimethyl acetylene dicarboxylate are reported.
متن کاملAb Initio Study of Conformational and Configurational Properties of 1, 3- Diazacyclohepta-1, 2-diene and 1, 3-Diazacycloocta-1, 2-diene
Ab initio calculations at HF/6-31G* level of theory for geometry optimization and MP2/6-31G*//HF/6-31G* for a single point total energy calculation are reported for the importantenergy-minimum conformations and transition-state geometries of 1, 3-diazacyclohepta-1, 2-diene (2) and 1, 3-diazacycloocta-1, 2-diene (3). The C2 symmetric twist-chair (2-TC)conformation of 2 is calculated to be 7.4 kJ...
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ژورنال
عنوان ژورنال: The Journal of Organic Chemistry
سال: 2019
ISSN: 0022-3263,1520-6904
DOI: 10.1021/acs.joc.9b03014