CLASSIFICATION OF REACTIONS, ETC. 



Gold Chloride (9).] 

 frequently occurs on standing, or even immediately, 

 other substances also cause reduction. 



Glucosides and 



and 



I. Alkaloids giving 

 pp. or causing re- 

 duction. 



(Pyj. iindersfo'id inilen.': 

 otherwise mentional.) 



Acolyctine. 

 Aconine, y 



duction. 

 Aconitine, y. (M.P. 



:-55°). 



Akazgine. 



Apomorphine, purple. 

 Arecoliue, y., oily, df. 



sol. 

 Aricine, y., amor- 

 phous. 

 Aspidosamine. 

 Atherospermine, y. 

 Atropine, y. 

 Bebeerine, light y. 

 Beuzoyl-ecgoniue, sol. 



hot alcohol. 

 Berberine, orange. 

 Brucine, pp. sol. HCl ; 



dirty y., amorphous. 

 Calcitrapine, y. 

 Carpaine, limit 25,000. 

 Chelerythrine, dark r. 



(M.P. 233°). 

 Chelidonine, dark r. 

 Chrysanthemine, y. 



crys. ; snl. hot. 

 C'lciu'honidine, y. (M.P. 



about 100'). 

 Cinchonine, limit 



200,000. 



Cocaine, light y. fern- 

 like crys. 

 Cocamine. 

 Codeine, bn. (not 1 in 



1,(10(1). 

 Colchiceine. 

 Colchicine. 

 Colloturine, y., flocou- 



lent. 

 Concusoonine, dirty y. 



and reduction. 

 Coness^ine. 

 Coniine. 

 Conquinamine, y. 



purple. 

 Corydaline, y. crys. 

 Cytisiue. 

 Damascenine. 

 Daturine, y. 

 Delphinine, y. 

 Ditamine, sol 



crys. cold. 

 Ecboline. 

 Ecgonine, y., 



phous. 

 Emetine, y., 



phous. 

 Ergotine. 

 Ergotinine. 

 Erythrine. 

 [Eupatorinp. 

 tion only.] 

 Geissosperuiine, 



red colour. 

 Gelsemine, y., sol. hot. 

 Hydrastine, reddish y. 

 Hyoscine. 



to 



hot 



colora- 

 deep 



Hyoscyamine, whitish- 

 yellow. 



Hypoquebrachine, y., 

 then violet. 



Laurotetanine. 



Lobeliine, insol. HCl. 



Lupanine, y.,sol. warm, 

 crys. cold. 



Mandiagorine, sol. hot 

 (M.P. 153°-15o°.) 



Meconidine, dirty y., 

 amorphous. 



Morphine, at once, 1 

 in .1,000. . 



Narceine,] in 5,000. 



[Narcotiiie,only strong 

 solutions.] 



Nicotine, cloud 1 in 

 10,000. 



Oleandrine 



Papaverine, dirty y., 

 distinct at 5,000. 



[Paytamine, reduc- 

 tion.] 



[Paytine, reduction.] 



Pelletierine, pp. ; re- 

 duction on warming. 



Physostigmine, pp. and 

 reduction, blue col- 

 oration. 



Picraconitiue, very in- 

 sol. 



Piliganine, y., altered 

 by light. 



Pilocarpine. 



Piturine, pale red ; 1 

 in 100. 



Por))hyrine. 

 Protoveratrine. 

 Pseudaconitine. 

 Pseudopelletierine. 

 Quebrachine, y., amor- 

 phous. 

 Quinamicine. 

 Quinamidine, purple. 

 Quinamine, y. to r. 



and reduction. 

 Qiiinicine, y., amorph. 

 Quinidine, y. 

 Quinine, y., amorphous. 

 Rheadine, y., floccu- 



lent. 

 Sabadilline, not very 



dilute. 

 Sabatrine, not very 



dilute. 

 Scopoline, y. 

 Solanine. 

 Strychnine, pp. sol. 



HCl. 

 Taxine (?). 

 Thehaine, y.-bn. ; limit 



10,0(X). 



[Theine, slowly crys.] 

 [Theobromine, slowly 



crys.] 

 [Veratrine, not very 



dilute; M.P. 182°.] 



II. Non-basic sub- 

 stances causing re- 

 duction. 



( Pp. iiiily irhere stated.) 



Absynthiin, pp. cold ; 

 reduction on warm- 

 ing. 



Acorin. 



Adonin. 



Aloin, red, then violet. 



Catechin, red-brown. 



Digitalin, crys. pp. 



[Ericolin, reduction 

 warm ] 



Mangostin. 



[Menyanthin, 

 tion warm.] 



Quercetin. 



[Silver Nitrate (10). 



155 



reduc- 



Robinin. 



Sophorin, y. crys. pp. 



III. No reaction with 

 following : 



(A. = Alkaloid. 

 G. = Glucoside. 

 B. = Bitter Principle.) 



Capsicin, B., no pp. 

 Cnicin, B. 

 [Menyanthin, G.,cold; 



see II.] 

 [Narcotine, A., see I.] 

 [Picrotoxin, B., slight 



reduction on warm- 



Pilocarpidine, A. 



Quassiin, B. 



Saponin, G. 



Strophanthin, B. 



mu ■ » \ not at 

 Theine, A. | 



Theobromine i -,' 



\ see I. 



10. SILVER NITRATE is reduced by the following, or gives pp. 

 (where this is menlioued) : 



Dibromapophylline. 



Lobeliine, pp. soluble in ammonia 



and HNO3. 

 Macrocarpine, pp. = pure Macroc. 

 Morphine, red colour. 

 0.\yacanthine, white pp. 

 Pseudaconine (ammoncl. AgNOj). 

 Quinidiue, pp. 



Theobromine, pp. gradually crystal- 

 lizes. 



A Ikaloids. 



Aconine. 



Anthocercine, slight pp. 

 Capsaicin, purple on heating. 

 Caps-icin, pp. in strong alcoholic 



solution. 

 Capsiool, pp. soluble in ammonia. 

 Cupronine. 



