*  Meyers synthesis - Wikipedia
... hydrolyzed with water and oxalic acid to the aldehyde. Aldehydes from dihydro-1,3-oxazines. I. Synthesis of aliphatic aldehydes ... doi:10.1021/ja01031a053 Aldehydes from dihydro-1,3-oxazines. II. Synthesis of .alpha.,.beta.-unsaturated aldehydes and their C- ... The Meyers synthesis is an organic synthesis for the preparation of unsymmetrical aldehydes via hydrolysis of an oxazine. The ... 1969 doi:10.1021/ja01031a054 Aldehydes from dihydro-1,3-oxazines. III. Synthesis of cycloalkanecarboxaldehydes Albert I. Meyers ...
  https://en.wikipedia.org/wiki/Meyers_synthesis
*  Oxazines - Wikipedia
4-oxazine). A commercially available dihydro-1,3-oxazine is a reagent in the Meyers synthesis for aldehydes. Fluorescent dyes ... Oxazines are heterocyclic compounds containing one oxygen and one nitrogen atom in a doubly unsaturated six-membered ring. ... Hatsuo Ishida And Tarek Agag, Elsevier B.V., 2011, ISBN 978-0-444-53790-4 Oxazines at the US National Library of Medicine ... By extension, the derivatives are also referred to as oxazines; examples include ifosfamide and morpholine (tetrahydro-1, ...
  https://en.wikipedia.org/wiki/Oxazines
*  aldehydes
Hydrolysis of primary geminal dihalides to yield aldehydes. Meyers synthesis Oxazines Hemiaminal oxazine hydrolysis with water ... Some aldehydes are substrates for aldehyde dehydrogenase enzymes which metabolize aldehydes in the body. There are toxicities ... Stephen aldehyde synthesis Nitriles Hydrolysis of an iminium salt generated by tin(II) chloride and HCl to form an aldehyde. ... IUPAC names for aldehydes[edit]. The common names for aldehydes do not strictly follow official guidelines, such as those ...
  https://en.wikipedia.org/wiki/Aldehyde
*  US3965157A - Preparation of α-acetoxy aldehydes and ketones - Google Patents
1, 3-Oxazines and Related Compounds. XIII. Reaction of Acyl Meldrum's Acids with Schiff Bases Giving 2, 3-Disubstituted 5-Acy1- ... US3965157A - Preparation of α-acetoxy aldehydes and ketones - Google Patents. Preparation of α-acetoxy aldehydes and ketones ... US05533358 1973-12-17 1974-12-16 Preparation of α-acetoxy aldehydes and ketones Expired - Lifetime US3965157A (en) Priority ... In step (i), the aldehyde R2 CHO (dissolved in a solvent such as tetrahydrofuran) is added slowly to a solution of the lithio ...
  https://patents.google.com/patent/US3965157
*  COMPOSITIONS - GIVAUDAN SA
... which oils contain precursors of fragrant aldehydes that are adapted to release the aldehydes under activating conditions. ... The aldehyde may be an aliphatic aldehyde, a cycloaliphatic aldehyde, and acyclic terpene aldehyde, a cyclic terpene aldehyde, ... 3-oxazines, thiazolidines or tetrahydro-1 ,3- thiazines, which application is hereby incorporated by reference. Particular ... Linear aldehydes, i.e. those aldehydes having no substituents at the positions alpha or beta to the aldehyde carbonyl group are ...
  http://www.sumobrain.com/patents/wipo/Compositions/WO2011161265.html
*  Khristo Ivanov - Wikipedia
3-oxazines, 2-imidazolidinones, etc. Ivanov and his lab studied reaction of 2-benzylbenzazoles with aromatic aldehydes in ...
  https://en.wikipedia.org/wiki/Khristo_Ivanov
*  Palladium Catalyzed Oxidation of Hydrocarbons (Buch), P. Henry
1. Aldehydes and Ketones.. - 2. Quinone.. - 3. Carboxylic Acids and Acid Chlorides.- D. Reaction of C-O Bonds.. - 1. Alcohols. ... 2. Oxazines.. - 3. Hydroperoxides.. - 4. Lactones.. - 5. CO2.- E. Nitrogen-Containing Functional Groups.. - 1. Amines.. - 2. ... 3. The Insertion Reaction.- II Oxidation of Monoolefins.- A. General.- B. Formation of Aldehydes and Ketones.. - 1. Reaction ...
  https://www.hugendubel.de/de/buch/p_henry-palladium_catalyzed_oxidation_of_hydrocarbons-2598643-produkt-details.html
*  Theoretical and Experimental Study of New Photochromic Bis-Spiropyrans with Hydroxyethyl and Carboxyethyl Substituents
Original 8′-formyl-7′-hydroxy-3-methylspiro(2,3-dihydrobenzo[1,3]oxazine-4-oxo-2,2′-[2H]chromene) was prepared by a previously ... reported method [19] from N-methylsalicylamide and 2,4-dihydroxyisophthalic aldehyde. Piperidine (0.1 mL, 1.1 mmol) was added ... oxazine series," High Energy Chemistry, vol. 44, no. 3, pp. 220-223, 2010. View at Publisher · View at Google Scholar · View at ... with the open and closed pyran cycles at the indoline and oxazine moieties, resp.). ...
  https://www.hindawi.com/journals/ijp/2013/752949/
*  Oxazoline - Wikipedia
The method has been shown to be effective for a wide range of aromatic and aliphatic aldehydes however electron rich aromatic R ... CS1 maint: Uses authors parameter (link) Vorbrüggen, Helmut; Krolikiewicz, Konrad (1993). "A simple synthesis of Δ2-oxazines, ... The cyclisation of an amino alcohol and an aldehyde produces an intermediate oxazolidine which can be converted to an oxazoline ... Witte, Helmut; Seeliger, Wolfgang (1972). "Simple Synthesis of 2-Substituted 2-Oxazolines and 5,6-Dihydro-4H-1,3-oxazines". ...
  https://en.wikipedia.org/wiki/Oxazoline
*  Compositions - Patent application
The aldehyde may be an aliphatic aldehyde, a cycloaliphatic aldehyde, and acyclic terpene aldehyde, a cyclic terpene aldehyde, ... 3-oxazines, thiazolidines or tetrahydro-1,3-thiazines, which application is hereby incorporated by reference. [0012] Particular ... Aldehyde used in phase B (ppm) Encapsulation Linear aldehyde Aldehyde C10 61 Aggregation Aldehyde C12 9 Aggregation lauric Beta ... Linear aldehyde Aldehyde C10 61 +++ + Aldehyde iso C11 30 +++ + Aldehyde C12 9 +++ ∘ laurique Beta substituted Lilial 21 ++ ∘ ...
  http://www.patentsencyclopedia.com/app/20130089591
*  US7708396B2 - Photochromic phase change inks - Google Patents
Examples of spirooxazines include spiro[indoline-2,3′-[3H]-naphtho[2,1-b]-1,4-oxazines], including those of the general formula ... aldehyde groups, ketone groups, ester groups, amide groups, carboxylic acid groups, sulfonic acid groups, and the like. The ... oxazine] was added into the mixture over ten minutes. The solution was stirred for an additional two hours, and then filtered ... aldehyde groups, ketone groups, ester groups, amide groups, carboxylic acid groups, sulfonic acid groups, and the like. The ...
  https://patents.google.com/patent/US7708396?oq=7%2C403%2C220
*  Sohár Pál
Preparation and steric structures of dihydro-1,3-oxazines, 1,3-oxazin-2-ones and 1,3-oxazine-2-thiones fused with norbornane ... 19. A. Hajós und P. Sohár: Über geminale Aminocarbinole, I. Die Addition von DOPA und Dopaabkömmlingen an Aldehyde.Acta Chim. ... 179. P. Sohár, G. Stájer and G. Bernáth: Configuration and NMR study of tricyclic oxazines fused to a norbornene or norbornane ... 219. K. Hideg, J. Csekö, H. O. Hankovszky and P. Sohár: Further syntheses with nitroxide ,ß-unsaturated aldehydes and allylic ...
  http://www.chem.elte.hu/print/666
*  Loughborough University Institutional Repository: Synthesis and reactivity of cyclopropanes and cyclopropenes
The stabilised dipole formed after ring opening can be trapped with suitable electrophiles such as imines and aldehydes via a [ ... The use of activated symmetrical disubstituted cyclopropanes afforded the desired oxazines in a regio- and diastereocontrolled ... 3 disubstituted cyclopropane diesters to access a range of highly functionalised oxazines in moderate to good yields (50-75%) ...
  https://dspace.lboro.ac.uk/dspace-jspui/handle/2134/9032
*  Derivatives of 1,2-dihydro-7-hydroxyquinolines Containing Fused Rings - Patent application
Examples of aldehydes include formaldehyde, lower aliphatic and alicyclic aldehydes, heterocyclic aldehydes and especially ... 0079]In addition to the rhodamine, annelated rhodamine, rhodol, annelated rhodol, oxazine, annelated oxazine and coumarin dyes ... aldehydes amines/anilines imines aldehydes or ketones hydrazines hydrazones aldehydes or ketones hydroxylamines oximes alkyl ... In either case, the resulting product is an oxazine dye. [0077]To prepare coumarin dyes, a first precursor that is a 6-acyl-3- ...
  http://www.patentsencyclopedia.com/app/20110027800
*  "Synthesis of Biologically Important C-glycosides from Simple C-glycosy" by Ahmad Sabri Altiti
... which centers on the Lewis acid mediated crotylation reaction of a C-glycoside crotylstannane on a simple α-alkoxy aldehyde to ... However, the elaboration of the iodo-oxazine products from the tricholoroacetimidate reactions was problematic. Chapter II ... However, the elaboration of the iodo-oxazine products from the tricholoroacetimidate reactions was problematic. ... The strategy uses easily accessed 3,4-dialkoxy-4-enals as aldehyde partners for C-linked crotyltins. A ring closing metathesis ...
  https://academicworks.cuny.edu/gc_etds/403/
*  Synthesis of novel chiral bithiophenebased phosphine oxides as Lewis bases in organocatalytic stereoselective reactions -...
were able to promote the allylation of aldehydes with. allyltrichlorosilane in up to 76% yield and up to 86%. enantiomeric ... 11] Sugiura M., Kumahara M., Nakajima M., Asymmetric synthesisof 4H-1,3-oxazines: enantioselective reductive cyclization ofN- ... 10] Kashiwagi T. Kotani S., Sugiura M., Nakajima M., Synthesisof γ-amino alcohols from aldehydes, enamines, and ... A new class of chiralLewis basic metal-free catalysts for stereoselective allylationsof aldehydes, Adv. Synth. Catal., 2008, ...
  http://psjd.icm.edu.pl/psjd/element/bwmeta1.element.-psjd-doi-10_1515_asorg-2015-0002
*  US3202533A - Method of encapsulating liquids - Google Patents
Illustrative of suitable leuco dye systems are triarylrnethanes, oxazines, thiazines, and indigos. ... such as Schifi-base formation from aldehydes and benzidines. Typical of materials undergoing such colorforming reactions and ...
  https://patents.google.com/patent/US3202533
*  Blue bottle experiment - Wikipedia
It was originally believed that the total reaction is the oxidation of an aldehyde group to a carboxylic acid under alkaline ... Four (families) of dyes are used in the oxidation thiazines, oxazines, azines, and indigo carmine, reported to work with ... However, the experiment also works for compounds such as vitamin C and benzoin, which do not contain an aldehyde. The reaction ...
  https://en.wikipedia.org/wiki/Blue_bottle_experiment
*  Patent US5883246 - Synthesis of polypyrrolic macrocycles from meso-substituted tripyrrane compounds - Google Patents
4-oxazine, 1,3,2-oxazine, 1,3,5-oxazine, 1,4-oxazine, o-isoxazine, p-isoxazine, 1,2,5-oxathiazine, 1,4-oxazine, 1,2,6- ... 22.6 mg of the tripyrrane (4) (6.0 10-5 mol) and 16.3 mg of bipyrrolebis(aldehyde) (5) (6.0 10-5 mol) were dissolved in 60 ml ... 188 mg of the tripyrrane (4) (4.99 10-4 mol) and 94 mg of bipyrrolebis(aldehyde) (7) (5.0 10-4 mol) were dissolved with the use ... One group of workers has disclosed the reaction at room temperature of an aldehyde, such as benzaldehyde, with an excess amount ...
  http://www.google.com/patents/US5883246?dq=5572193
*  Patent US4251622 - Photo-sensitive composition for dry formation of image - Google Patents
Examples of the dyestuff are azo dyestuffs, azomethine dyestuffs, triphenylmethane dyestuffs, xanthene dyestuffs, oxazine ... there may be also employed any other additive such as an aldehyde (e.g. benzaldehyde, o-anisaldehyde, phenylacetaldehyde), an ... and an oxazine dyestuff; an aryl ketone sensitizing agent selected from the group consisting of benzophenone, 4- ... and an oxazine dyestuff; an aryl ketone sensitizing agent selected from the group consisting of benzophenone, 4- ...
  http://www.google.ca/patents/US4251622
*  Patent US7449298 - Methods of analyzing polynucleotides employing energy transfer dyes - Google Patents
... pyrazine and oxazine. Examples of fused ring structures include, but are not limited to indene, benzofuran, thionaphthene, ... aldehyde, thio, disulfide, isothiocyanate, isocyanate, sulfonyl halide, maleimide, hydroxysuccinimide ester, haloacetyl, ... pyrazine and oxazine. Examples of fused ring structures include, but are not limited to indene, benzofuran, thionaphthene, ... pyrazine and oxazine. Examples of fused ring structures include, but are not limited to indene, benzofuran, thionaphthene, ...
  http://www.google.com/patents/US7449298?dq=oakley+5,387,949&ei=4yI4T8nkLYa80QG0xqnWAg
*  Diels-Alder reaction - Wikipedia
Nitroso compounds (R-N=O) can react with dienes to form oxazines. Chlorosulfonyl isocyanate can be utilized as a dienophile to ... Conversion of the cis-aldehyde to its corresponding alkene by Wittig olefination and subsequent ring-closing metathesis with a ...
  https://en.wikipedia.org/wiki/Diels%E2%80%93Alder_reaction
*  CCCC 1969, Volume 34, Issue 1 | Collection of Czechoslovak Chemical Communications
Reduction of aldehydes and ketones * pp. 125-135. Z. J. Allan and J. Podstata Aromatische Diazo- und Azoverbindungen LXXVI. ... V. Stužka, A. P. Golovina and I. P. Alimarin Oxazine als azidobasische Indikatoren XI. Gegenseitige Beziehungen zwischen der ...
  http://cccc.uochb.cas.cz/34/1/
*  Patente US7955470 - Method of decorating laminated glass - Google Patentes
For example, aminoplasts are oligomers that are the reaction products of aldehydes, with amines or amides. The amines and ... oxazine dyes, quinone dyes, anthraquinone dyes, and naphthalimide dyes, quinacridone, phthalocyanine blue, phthalocyanine green ... Exemplary aldehydes include formaldehyde and glyoxal. Exemplary aminoplasts include melamine-formaldehyde resins, melamine- ...
  http://www.google.es/patents/US7955470
*  Blood group antigens of different types for diagnostic and therapeutic applications - AbSorber AB
09/922,333), an oxazine (including any corresponding compounds disclosed in U.S. Pat. No. 4,714,763) or a benzoxazine, a ... The solid support may carry functional groups such as hydroxyl, carboxyl, aldehyde or amino groups. The support may be ... As used herein, oxazines include resorufins (including any corresponding compounds disclosed in U.S. Pat. No. 5,242,805), ... Novel oxazine-ureas and thiazine urea chromophors as fluorescent labels. 1987-12-22. Theodoropulos. 544/31. ...
  http://www.freepatentsonline.com/7897328.html