Cis-o-Coumarinic acid lactone

CoUknarin, 2H-1 -Renzopyran-2-one 1,2-benzopyrene cis-o-coumarinic acid lactone cumarin coumarinic anhydride tonka bean camphor. C4H602. mol wt 146.14. C 73-96%, H 4.14%, O 21-90%. In tonka beans, lavender oil, woodruff (Asperuta species), in sweet clover (MeUlotus). Crystal and molecular structure Chem. Commun.. Univ. [Pg.401]

Beilstein Handbook Reference) AI3-00753 Benzo-a-pyrone BRN 0383644 Caswell No. 259C CCRIS 181 Cinnamic acid, o-hydroxy-, 8-lKtone ois-o-Coumaric acid anhydride Coumarin cis-o-Coumarinic acid lactone Coumarinic anhydride Coumarinic lactone Cumarin EINECS 202-086-7 EPA Pesticide Chemical Code 127301 HSDB 1623 o-Hydroxycinnamic lactone 0-Hydroxyzimtsaure-lacton Kumarin NCI C07103 NSC 8774 Rattex Tonka bean camphor. Used in pharmaceuticals as a flavorant. Crystals mpo 71" bp = 301.7 d O = 0.936 Xm = 273, 311 nm (e = 11200, 6710, MeOH) moderately soluble in H2O, EtOH, more soluble in EtzO, CHCI3, C5H5N. Alfa Aesar Rhodia Inc. Rhodia Organique Fine Ltd. [Pg.160]

Synonyms. 1, 2-Benzopyrone 2H-l-Benzopyran-2-one cis-o-Coumarinic acid lactone Cumarin Coumarinic anhydride Tonka bean Camphor ... [Pg.185]

Synonyms 1-Benzopyran-2-one 2H-1-Benzopyran-2-one 2H-1-Benzopyran, 2-oxo- Benzopyrone 1,2-Benzopyrone Benzo-a-pyrone Chromen-2-one Cinnamic acid, o-hydroxy-, 5-lactone Coumaric acid cis-o-Coumaric acid lactone cis-o-Coumarinic acid lactone Coumarinic anhydride Cumarin o-Hydroxycinnamic acid lactone o-Hydroxycinnamic acid 5-lactone o-Hydroxycinnamic lactone 2-Oxo-1,2-benzopyran 2-Propenoic acid, 3-(2-hydroxyphenyl)-5-lactone Tonka bean camphor... [Pg.1057]

Coumarin, 3(3-(4-biphenylyl)-1,2,3,4-tetrahydro-1-naphthyl)-4-hydroxy-. See Difenacoum, Coumarin, 7-diethylamino-4-methyl-. See 7-Diethylamino-4-methyl coumarin Coumarin, 7-hydroxy. See 7-Hydroxycoumarin Coumarin, 4-hydroxy-3-(1,2,3,4-tetrahydro-1-naphthyl)-. See Coumatetralyl cis-o-Coumarinic acid lactone Coumarinic anhydride. See Coumarin Coumarone. SeeCumarone Coumarone/indene copolymer. See Coumarone/indene resin Coumarone/indene resin CAS 35343-70-5 63393-89-5 Synonyms Coumarone/indene copolymer Coumarone resin Indene/coumarone resin Poly (coumarone-co-indene) Polyindene resin Classification Thermosetting resin Properties Brn. solid soft and sticky at R.T. hardens on heating to solid sol. in hydrocarbon soivs., pyridine, acetone, carbon disulfide, CCU insol. in water, alcohol dens. 1.140 soften, pt. [Pg.1058]

Other Names Coumarin 1,2-Benzopyrone 2-Propenoic acid, 3-(2-hydroxyphenyl)-, 8-lactone 5,6-Benzo-2-pyrone Benzo-a-pyrone Coumarinic anhydride NSC 8774 Rattex Tonka bean camphor cis-o-Coumarinic acid lactone o-Hydroxycinnamic acid lactone CA Index Name 2H-l-Benzopyran-2-one CAS Registry Number 91-64-5 Merck Index Number 2562 Chemical Structure... [Pg.93]

SYNS 2H-1-BENZOPYRAN-2-ONE 1,2-BENZO-PYRONE cis-o-COUiMARINIC ACID LACTONE COUMARINIC ANHYDRIDE o-HYDROXYCINNAMIC ACID LACTONE o-HYDROXYZIMTSAEURE-LACTON (GERMAN) NCI-C60297 2-OXO-l,2-BENZOPYRAN RATTEX TONKA BE.YN CAMPHOR... [Pg.390]

Cottonseed oil, winterized. See Cottonseed (Gossypium) oil Coumadin. See Warfarin 2-Coumarate. See o-Hydroxycinnamic acid Coumaric acid. See Coumarin 2-Coumaric acid o-Coumaric acid. See o-Hydroxycinnamic acid cis-o-Coumaric acid lactone. See Coumarin Coumarin... [Pg.1057]

Basic catalysts other than alkali acetates have been employed in the Perkin reaction thus salicylaldehyde condenses with acetic anhydride in the presence of triethylamine to yield coumarin (tlie lactone of the cis form of o-hydroxy-cinnamio acid) together with some of the acetyl derivative of the trans form (o-acetoxycoumaric acid) ... [Pg.707]

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