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water, the crystals melting at 1980 to 199° C. It is laevo-rotatory, and on warming with alkalis gives iso-ecgonine, which is dextro-rotatory. It is a See also:

TERTIARY

tertiary See also:

BASE

base, .and has also the properties of an See also:

ACID (from the Lat. root ac-, sharp; acere, to be sour)

acid and an See also:

ALCOHOL

alcohol. When boiled with See also:

CAUSTIC (Gr. rcavvraubs, burning)

caustic baryta it gives methyl-amine. It is the carboxylic acid corresponding to See also:

TROPINE, C8H15NO

tropine, for it yields the same products on oxidation, and by treatment with See also:

PHOSPHORUS (Gr. 4ws, light, sPEpety, to bear)

phosphorus pentachloride 'is converted into anhydroecgonine, C9H13NO2, which, when heated to 28o° C. with hydrochloric acid, splits out See also:

CARBON (symbol C, atomic weight 12)

carbon dioxide and yields tropidine, C8H13N. Anhydroecgonine melts at 235° C., and has an acid and a basic See also:

CHARACTER (Gr. xapareri7p, from xap&crew, to scratch)

character. It is an unsaturated See also:

compound, and on oxidation with See also:

POTASSIUM [symbol K (from kalium), atomic weight 39.114 0=16)]

potassium permanganate gives succinic acid. It is apparently a tropidine monocarboxylic acid, for on exhaustive methylation it yields cycloheptatriene-1.3.5-carboxylic acid-7. See also:

SODIUM [symbol Na, from Lat. natrium; atomic weight 23.00 (0=16)]

Sodium in amyl alcohol See also:

SOLUTION (from Lat. solvere, to loosen, dissolve)

solution reduces it to hydroecgonidine C9H15NO2, while moderate oxidation by potassium permanganate converts it into norecgonine. The presence of the heptamethylene See also:

RING (O.E. hring; a word common to Teutonic languages; and probably cognate with the Lat. circus, Gr. KtpKOS or KpLKOS, Skt'. chakra, wheel, circle, cf. also " harangue "); in art, a band of circular shape of varying sizes, made of any material and used f

ring in these compounds is shown by the See also:

PRODUCTION (Lat. productionem, from producere, to pro-duce)

production of suberone by the exhaustive methylation, &c., of hydroecgonidine See also:

ETHYL

ethyl ester (see See also:

POLYMETHYLENES

POLYMETHYLENES and TROPINE).

End of Article: ECGONINE

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ECHEGARAY Y EIZAGUIRRE, JOSE (1833– )