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TiHKAL: The Continuation  
Cover of TiHKAL, 1st ed.
Author Alexander and Ann Shulgin
Country United States
Subject(s) Pharmacology, Autobiography, Psychedelic drugs
Publisher Transform Press
Publication date 1997
Media type Paperback
Pages xxviii, 804 p.
ISBN 0-9630096-9-9
OCLC Number 38503252
Preceded by PiHKAL

TiHKAL is a 1997 book written by Alexander Shulgin and Ann Shulgin about a family of psychoactive drugs known as tryptamines. A sequel to PiHKAL (Phenethylamines i Have Known And Loved), the full title of the book is Tryptamines i Have Known And Loved: The Continuation.



TiHKAL, much like its predecessor PiHKAL, is divided into two parts. The first part, which all rights are reserved for, is a fictionalized autobiography, continuing where PiHKAL left off, but it then continues into a collection of essays. These essays range from psychotherapy and the Jungian mind to the prevalence of DMT in nature, ayahuasca and the War on Drugs. The second part of TiHKAL, which may be distributed for non-commercial reproduction with several conditions (see external links below), is a detailed synthesis manual for 55 psychedelic compounds (many discovered by Alexander Shulgin), with dosages, chemical structure and qualitative comments.

Like PiHKAL, the Shulgins were motivated to release the synthesis information as a way to protect the public's access to information about psychedelic compounds, a goal Alexander Shulgin has noted many times.[1] Following a raid of his laboratory in 1994 by the United States DEA,[2] Richard Meyer, spokesman for DEA's San Francisco Field Division, stated that "It is our opinion that those books [referring to the previous work, PiHKAL] are pretty much cookbooks on how to make illegal drugs. Agents tell me that in clandestine labs that they have raided, they have found copies of those books." This attitude emphasized Shulgin's need to release the information to ensure its preservation, and led to the release of TiHKAL and his other publications.

Tryptamines Listed

Substance Chemical name
1 AL-LAD 6-Allyl-N,N-diethyl-NL
2 DBT N,N-Dibutyl-T
3 DET N,N-Diethyl-T
4 DIPT N,N-Diisopropyl-T
5 alpha,O-DMS 5-Methyoxy-alpha-methyl-T
6 DMT N,N-Dimethyl-T
7 2,alpha-DMT 2,alpha-Dimethyl-T
8 alpha,N-DMT alpha,N-Dimethyl-T
9 DPT N,N-Dipropyl-T
10 EIPT N-Ethyl-N-isopropyl-T
11 alpha-ET alpha-Ethyl-T
12 ETH-LAD 6,N,N-Triethyl-NL
13 Harmaline 3,4-Dihydro-7-methoxy-1-methyl-C
14 Harmine 7-Methyoxy-1-methyl-C
15 4-HO-DBT N,N-Dibutyl-4-hydroxy-T
16 4-HO-DET N,N-Diethyl-4-hydroxy-T
17 4-HO-DIPT N,N-Diisopropyl-4-hydroxy-T
18 4-HO-DMT N,N-Dimethyl-4-hydroxy-T
19 5-HO-DMT N,N-Dimethyl-5-hydroxy-T
20 4-HO-DPT N,N-Dipropyl-4-hydroxy-T
21 4-HO-MET N-Ethyl-4-hydroxy-N-methyl-T
22 4-HO-MIPT 4-Hydroxy-N-isopropyl-N-methyl-T
23 4-HO-MPT 4-Hydroxy-N-methyl-N-propyl-T
24 4-HO-pyr-T 4-Hydroxy-N,N-tetramethylene-T
25 Ibogaine A complexly substituted-T
26 LSD N,N-Diethyl-L
27 MBT N-Butyl-N-methyl-T
28 4,5-MDO-DIPT N,N-Diisopropyl-4,5-methylenedioxy-T
29 5,6-MDO-DIPT N,N-Diisopropyl-5,6-methylenedioxy-T
30 4,5-MDO-DMT N,N-Dimethyl-4,5-methylenedioxy-T
31 5,6-MDO-DMT N,N-Dimethyl-5,6-methylenedioxy-T
32 5,6-MDO-MIPT N-Isopropyl-N-methyl-5,6-methylenedioxy-T
33 2-Me-DET N,N-Diethyl-2-methyl-T
34 2-Me-DMT 2,N,N-Trimethyl-T
35 Melatonin N-Acetyl-5-methoxy-T
36 5-MeO-DET N,N-Diethyl-5-methoxy-T
37 5-MeO-DIPT N,N-Diisopropyl-5-methoxy-T
38 5-MeO-DMT 5-Methoxy-N,N-dimethyl-T
39 4-MeO-MIPT N-Isopropyl-4-methoxy-N-methyl-T
40 5-MeO-MIPT N-Isopropyl-5-methoxy-N-methyl-T
41 5,6-MeO-MIPT 5,6-Dimethoxy-N-isopropyl-N-methyl-T
42 5-MeO-NMT 5-Methoxy-N-methyl-T
43 5-MeO-pyr-T 5-Methoxy-N,N-tetramethylene-T
44 6-MeO-THH 6-Methoxy-1-methyl-1,2,3,4-tetrahydro-C
45 5-MeO-TMT 5-Methoxy-2,N,N-trimethyl-T
46 5-MeS-DMT N,N-Dimethyl-5-methylthio-T
47 MIPT N-Isopropyl-N-methyl-T
48 alpha-MT alpha-Methyl-T
49 NET N-Ethyl-T
50 NMT N-Methyl-T
51 PRO-LAD 6-Propyl-NL
52 pyr-T N,N-Tetramethylene-T
53 T Tryptamine
54 Tetrahydroharmine 7-Methoxy-1-methyl-1,2,3,4-tetrahydro-C
55 alpha,N,O-TMS alpha,N-Dimethyl-5-methoxy-T

See also


External links

  • TiHKAL HTML Version
  • TiHKAL • info A visual index and map of TiHKAL, including the formatted text of Book II. Includes over 300 corrections to the original HTML version.

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