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Section IICoredrugs in anaesthetic practice
Morphine
HO
O
O
HO
Pethidine
Fentanyl
Alfentanil
Remifentanil
(H 5 C 2 )— O — C (CH 3 ) 2 N
CH 3 — C — O
OCH 3
CH 3
H
HO
Tramadol
(H 5 C 2 )— C — N
CH 2 — O — CH 3
C— O — CH 3
N— C — (C 2 H 5 )
(H 5 C 2 )— N
(H 5 C 2 )— C — N
(C 2 H 4 )— C — O —CH 3
N (C 2 H 4 )
CH 3
N
——
O
——
CH 3 — C — O
O
O
N
Diamorphine
——
——
O
——
O
——
O
O
N
——
——
O
——
— —
NN
N—(C 2 H 4 )—N
O
NCH 3
Figure 9.2.Structure of some opioids.