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Benzylidene compounds information


Benzylidene acetal of glucose.

Benzylidene compounds are, formally speaking, derivatives of benzylidene, although few are prepared from the carbene. Benzylidene acetal is a protecting group in synthetic organic chemistry of the form PhCH(OR)2. For example, 4,6-O-benzylidene-glucopyranose is a glucose derivative. Benzylidene is an archaic term for compounds of the type PhCHX2 and PhCH= substituents (Ph = C6H5). For example, dibenzylideneacetone is (PhCH=CH)2CO. Benzal chloride, PhCHCl2, is alternatively named benzylidene chloride.

Benzylidene is the molecule C6H5CH. It is a triplet carbene (CAS RN 3101-08-4). It is generated by irradiation of phenyldiazomethane.[1]

  1. ^ Platz, Matthew S. (1995). "Comparison of Phenylcarbene and Phenylnitrene". Accounts of Chemical Research. 28 (12): 487–92. doi:10.1021/ar00060a004.

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Benzylidene compounds

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Benzylidene compounds are, formally speaking, derivatives of benzylidene, although few are prepared from the carbene. Benzylidene acetal is a protecting...

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Benzylidene acetal

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organic chemistry, a benzylidene acetal is the functional group with the structural formula C6H5CH(OR)2 (R = alkyl, aryl). Benzylidene acetals are used as...

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Acetal

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refers to compounds of type R1R2C(OR)(NR'2) (R,R' ≠ H) also known as a hemiaminal ether or Aminal, a.k.a. aminoacetal. S,S-acetal refers to compounds of type...

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Aurone

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(Z)-configurations. The molecule contains a benzofuran element associated with a benzylidene linked in position 2. In aurone, a chalcone-like group is closed into...

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Benzal chloride

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Benzal chloride is an organic compound with the formula C6H5CHCl2. This colourless liquid is a lachrymator and is used as a building block in organic synthesis...

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Diisopropyl ether

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"Methyltrioxorhenium Catalyzed Oxidation of Secondary Amines to Nitrones: N-Benzylidene-Benzylamine N-Oxide". Organic Syntheses. 81: 204. doi:10.15227/orgsyn...

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Benzylideneacetone

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the scope of condensation reactions to construct new, complex organic compounds. Benzylideneacetone is used as a flavouring ingredient in food and perfumes...

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UV filter

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(PDSA) 3-benzylidene camphor (3BC) Benzylidene camphor sulfonic acid (BCSA) 4-methylbenzylidene camphor (4-MBC) Polyacrylamidomethyl benzylidene camphor...

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Protecting group

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groups codependently as an acetal. Common in this situation are the benzylidene, isopropylidene and cyclohexylidene or cyclopentylidene acetals. An exceptional...

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Benzaldehyde

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acid. With diols, including many sugars, benzaldehyde condenses to form benzylidene acetals. Benzaldehyde is commonly employed to confer almond flavor to...

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Sulfinamide

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ASYMMETRIC SYNTHESIS OF METHYL (R)-(+)-β-PHENYLALANATE FROM (S)-(+)-N-(BENZYLIDENE)-p-TOLUENESULFINAMIDE". Organic Syntheses. 77: 50{{cite journal}}: CS1...

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Diol

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Alcohols, chemical compounds with at least one hydroxyl group Triols, chemical compounds with three hydroxyl groups Polyols, chemical compounds with multiple...

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Triphenylmethane

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Ph3CCl·AlCl3 Ph3CCl·AlCl3 + HCl → Ph3CH It can also be synthesized from benzylidene chloride, which is prepared from benzaldehyde and phosphorus pentachloride...

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Sunscreen

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formulation (inorganic compounds or organic molecules) as: Mineral sunscreens (also referred to as physical), which use only inorganic compounds (zinc oxide and/or...

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Plinabulin

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Plinabulin Names IUPAC name (3Z,6Z)-3-Benzylidene-6-{[5-(2-methyl-2-propanyl)-1H-imidazol-4-yl]methylene}-2,5-piperazinedione Identifiers CAS Number 714272-27-2 Y...

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Grubbs catalyst

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the second-generation catalyst. In the Hoveyda–Grubbs catalysts, the benzylidene ligands have a chelating ortho-isopropoxy group attached to the benzene...

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List of cocaine analogues

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The benzylidene derivatives serve as synthetic intermediates for 6-Alkyl-3-benzyltropanes and have not been assayed for biological activity. Compounds 237a...

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Ecamsule

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dicamphor sulfonic acid) is an organic compound which is added to many sunscreens to filter out UVA rays. It is a benzylidene camphor derivative, many of which...

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List of compounds with carbon number 9

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a partial list of molecules that contain 9 carbon atoms. Carbon number List of compounds with carbon number 8 List of compounds with carbon number 10...

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Sulindac

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and Co Inc.  US 3647858, Conn JB, Hinkley DF, "Process for preparing 1-benzylidene-3-indenyl acetic acids", issued 7 March 1972, assigned to Merck and Co...

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Aluminium hydride

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; Akiyama, M.; Sato, S.; Ogasawara, K. (1983). "A Facile Cleavage of Benzylidene Acetals with Diisobutylaluminum Hydride" (pdf). Chemistry Letters. 12...

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Ponesimod

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receptor modulator ponesimod in humans". Xenobiotica; the Fate of Foreign Compounds in Biological Systems. 45 (2): 139–149. doi:10.3109/00498254.2014.955832...

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Uridine monophosphate synthase

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promising inhibitors are 2,6-dihydroxipyridine-4-carboxylic acid and 3-benzylidene-2,6-dioxo-1,2,3,6-tetrahydropyridine-4-carboxylic acid. Union enthalpy...

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Povarov reaction

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12.059 Unprecedented regio and stereocontrol in Povarov reaction of benzylidene-(3-nitrophenyl)amine Paul J. Stevenson and Isla Graham Arkivoc AM-717D...

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