Distribution of alkaloids is angiosperms
Anonymous Quiz
51%
Papaveraceae
1%
Myrtaceae
6%
Asteraceae
42%
All above
Distribution of alkaloids are the
Anonymous Quiz
17%
angiosperms
12%
the gymnosperms only rarely contain them (Taxaceae).
2%
The monocotyledons do not generally produce alkaloids
69%
All above
Protoalkaloids are also called as:
Anonymous Quiz
74%
a) Amino alkaloid
2%
b) Pseudo alkaloid
6%
c) True alkaloid
18%
d) Extra alkaloid
Who first coined the name “Alkaloids"?
Anonymous Quiz
9%
a) S.W. Pelletier
83%
b/ Fredrich
4%
c) Karl Fredrich Wilhelm Meissner
3%
d) Joseph Caventou
Wagner reagent contains:
Anonymous Quiz
69%
a. lodine + KI water
15%
b. KI+ bismuth iodide
9%
c. lodine
7%
d. Mercuric chloride + KI in water
Picric acid is a chemical composition
of:
of:
Anonymous Quiz
13%
a. Van urk's reagent
7%
b. Mayer reagent
75%
c. Hager's reagent
5%
d. Wagner's reagen
Which of the following is the property of an alkaloid?
Anonymous Quiz
5%
A.Acidic Nitrogen Compound
87%
B.Basic Nitrogen Compound
5%
C.Neutral Nitrogen Compound
2%
D.Volatile Nitrogen Compound
Which of the following is NOT an example of Liquid Alkaloid?
Anonymous Quiz
8%
A. Sparteine
3%
B.Coniine
6%
C. Nicotine
82%
D.Atropine
💔2
Another name for Potassium mercuric iodide solution used for alkaloid chemical test?
Anonymous Quiz
6%
A/Wagners Reagent
84%
B. Mayer's Reagent
5%
C.Hager's Reagent
4%
D.Sonnenschein Reagent
Which of the following is CORRECT for Murexide test?
Anonymous Quiz
73%
A. Caffeine + Hcl + KCI3
13%
B.Caffeine + H2SO4 + KCI3
9%
C.Caffeine + HNO3 + Br2
4%
D.Caffine + H2 + N2
Nuxvomica and areca extracted from?
Anonymous Quiz
11%
A.Roots
2%
B.Bark
84%
C.Seed
3%
D.Flowering buds
Alkaloids found in fungi is
Anonymous Quiz
1%
A.Cinchona
0%
B.Ipecac
55%
C.Ergot
5%
D.Citrina
39%
E.Both c&d
💔3
The name of the alkaloids are obtained
from the generic name of the plant yielding them such as
from the generic name of the plant yielding them such as
Anonymous Quiz
18%
A. (cocaine, belladonnine)
73%
B.hydrastine, atropine
6%
C.ergotamine , atropine
3%
D.pelletierine
Some alkaloids can be extremely harmful to mammals, which is the case of the
intoxication.
steroidal alkaloid cyclopamine in lambs, identified as the compound
intoxication.
steroidal alkaloid cyclopamine in lambs, identified as the compound
Anonymous Quiz
67%
A.in Veratrum californicum (Liliaceae) responsible for teratogen effects
20%
B.in Veratrum californicum (Leguminsae) responsible for teratogen effects
4%
C.in Veratrum californicum (Rubiaceae) responsible for teratogen effects
9%
None of them
👍1😱1
DOC-20230221-WA0012..pdf
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المحاضرة الثانية عقاقير
Pyridine –piperidine-pyrolidine alkaloids
Pyridine –piperidine-pyrolidine alkaloids
❤4
Biosynthesis of pyridine - pyrolidine alkaloids
-من اسمه يعني يحوي على كل من
-pyridine
حلقة سداسية غير مشبعه
-pyrolidine
حلقة خماسية
الجزء الاساسي هو ornithine
اما جزء المساعد هو metionine نحصل منه ch3
⛔️ ينتج النه من اندماج كل من
Ornithine (حامض اميني)
+
Nicotine
في الtobacco
🔅هذه الاندماج يكون symmetric متماثل
⛔️ شنو الوسيط الرأيسي بهل انتاج؟
N-methyl pyrolidinium ion
حيث يحدث عملية electrophilic substitution في الكاربونه رقم 3 من حلقة الpyridine للNicotinic acid
-من اسمه يعني يحوي على كل من
-pyridine
حلقة سداسية غير مشبعه
-pyrolidine
حلقة خماسية
الجزء الاساسي هو ornithine
اما جزء المساعد هو metionine نحصل منه ch3
⛔️ ينتج النه من اندماج كل من
Ornithine (حامض اميني)
+
Nicotine
في الtobacco
🔅هذه الاندماج يكون symmetric متماثل
⛔️ شنو الوسيط الرأيسي بهل انتاج؟
N-methyl pyrolidinium ion
حيث يحدث عملية electrophilic substitution في الكاربونه رقم 3 من حلقة الpyridine للNicotinic acid
❤9
The important alkaloid in indian tobacco is
Anonymous Quiz
4%
A) morphine
56%
B)lobeline
41%
C)nicotine
0%
D)ephidrine
👍1
Derivatives of piperidine
Anonymous Quiz
69%
A)lobeline
7%
B)ornithine
1%
C) asparatine
23%
D) all above