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1

Vobasonidine and Vobatricine, Novel Bisindole Alkaloids from a Malayan Tabernaemontana

Toh-Seok Kam, Kooi-Mow Sim

Journal:

Helvetica Chimica Acta

Year:

2002

Language:

english

File:

PDF, 72 KB

english, 2002

2

ChemInform Abstract: Leishmanicidal Alkaloids from Kopsia griffithii.

Toh-Seok Kam, Kooi-Mow Sim, Takashi Koyano, Kanki Komiyama

Journal:

Year:

1999

File:

PDF, 26 KB

1999

3

ChemInform Abstract: Dippinine C, a New Hexacyclic Chippiine Derivative from a Malayan Tabernaemontana.

Toh-Seok Kam, Kooi-Mow Sim

Journal:

Year:

1999

File:

PDF, 24 KB

1999

4

ChemInform Abstract: Tronoharine, a Novel Hexacyclic Indole Alkaloid from a Malayan Tabernaemontana.

Toh-Seok Kam, Kooi-Mow Sim, Tuck-Meng Lim

Journal:

Year:

1999

File:

PDF, 24 KB

1999

5

ChemInform Abstract: Tronocarpine, a Novel Pentacyclic Indole Incorporating a Seven-Membered Lactam Moiety.

Toh-Seok Kam, Kooi-Mow Sim, Tuck-Meng Lim

Journal:

Year:

2000

File:

PDF, 24 KB

2000

6

ChemInform Abstract: Voastrictine, a Novel Pentacyclic Quinolinic Alkaloid from Tabernaemontana.

Toh-Seok Kam, Kooi-Mow Sim, Tuck-Meng Lim

Journal:

Year:

2001

File:

PDF, 24 KB

2001

7

ChemInform Abstract: Dippinines A—D, New Iboga-Derived Indole Alkaloids from Tabernaemontana.

Toh-Seok Kam, Kooi-Mow Sim

Journal:

Year:

2002

File:

PDF, 25 KB

2002

8

Conodirinines A and B, Novel Vobasine-Iboga Bisindoles Incorporating an Additional Tetrahydro-1,3-oxazine Unit on the Vobasinyl Moiety.

Toh-Seok Kam, Kooi-Mow Sim

Journal:

Year:

2003

File:

PDF, 83 KB

2003

9

Conodirinines A and B, Novel Vobasine-Iboga Bisindoles Incorporating an Additional Tetrahydro-1,3-oxazine Unit on the Vobasinyl Moiety

Toh-Seok Kam, Kooi-Mow Sim

Journal:

Helvetica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 71 KB

english, 2003

10

Cytotoxic effects and reversal of multidrug resistance by ibogan and related indole alkaloids

Toh-Seok Kam, Kooi-Mow Sim, Huey-Shen Pang, Takashi Koyano, Masahiko Hayashi, Kanki Komiyama

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2004

Language:

english

File:

PDF, 266 KB

english, 2004

11

Four tetracyclic oxindole alkaloids and a taberpsychine derivative from a Malayan Tabernaemontana

Kuan-Hon Lim, Kooi-Mow Sim, Guan-Huat Tan, Toh-Seok Kam

Journal:

Year:

2009

Language:

english

File:

PDF, 245 KB

english, 2009

12

Conodurine, conoduramine, and ervahanine derivatives from Tabernaemontana corymbosa

Toh-Seok Kam, Kooi-Mow Sim

Journal:

Year:

2003

Language:

english

File:

PDF, 222 KB

english, 2003

13

Alkaloids from Alstonia scholaris

Kam Toh-Seok, Nyeoh Kok-Tih, Sim Kooi-Mow, K. Yoganathan

Journal:

Year:

1997

Language:

english

File:

PDF, 242 KB

english, 1997

14

Alkaloids from Kopsia griffithii

Toh-Seok Kam, Kooi-Mow Sim

Journal:

Year:

1998

Language:

english

File:

PDF, 220 KB

english, 1998

15

Leishmanicidal alkaloids from Kopsia griffithii

Toh-Seok Kam, Kooi-Mow Sim, Takashi Koyano, Kanki Komiyama

Journal:

Year:

1999

Language:

english

File:

PDF, 213 KB

english, 1999

16

Voastrictine, a novel pentacyclic quinolinic alkaloid from Tabernaemontana

Toh-Seok Kam, Kooi-Mow Sim, Tuck-Meng Lim

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 69 KB

english, 2001

17

Angustimaline, an unusual nitrogenous compound from Alstonia angustifolia

Toh-Seok Kam, R. Jayashankar, Kooi-Mow Sim, K. Yoganathan

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 91 KB

english, 1997

18

Tronoharine, a novel hexacyclic indole alkaloid from a Malayan Tabernaemontana

Toh-Seok Kam, Kooi-Mow Sim, Tuck-Meng Lim

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 175 KB

english, 1999

19

Conodiparines A-D, new bisindoles from Tabernaemontana. Reversal of vincristine-resistance with cultured cells

Toh-Seok Kam, Kooi-Mow Sim, Takashi Koyano, Mitsuhide Toyoshima, Masahiko Hayashi, Kanki Komiyama

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1998

Language:

english

File:

PDF, 286 KB

english, 1998

20

Reversal of multidrug resistance (MDR) by aspidofractinine-type indole alkaloids

Toh-Seok Kam, G. Subramaniam, Kooi-Mow Sim, K. Yoganathan, Takashi Koyano, Mitsuhide Toyoshima, Mun-Chual Rho, Masahiko Hayashi, Kanki Komiyama

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1998

Language:

english

File:

PDF, 199 KB

english, 1998

21

Tronocarpine, a novel pentacyclic indole incorporating a seven-membered lactam moiety

Toh-Seok Kam, Kooi-Mow Sim, Tuck-Meng Lim

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 124 KB

english, 2000

22

Five New Iboga Alkaloids from Tabernaemontana corymbosa

Kam, Toh-Seok, Sim, Kooi-Mow

Journal:

Journal of Natural Products

Year:

2002

Language:

english

File:

PDF, 83 KB

english, 2002

23

Cytotoxic and Leishmanicidal Aminoglycosteroids and Aminosteroids from Holarrhena curtisii

Kam, Toh-Seok, Sim, Kooi-Mow, Koyano, Takashi, Toyoshima, Mitsuhide, Hayashi, Masahiko, Komiyama, Kanki

Journal:

Journal of Natural Products

Year:

1998

Language:

english

File:

PDF, 69 KB

english, 1998

24

Leuconoxine, Kopsinitarine, Kopsijasmine, and Kopsinone Derivatives from Kopsia

Lim, Siew-Huah, Sim, Kooi-Mow, Abdullah, Zanariah, Hiraku, Osamu, Hayashi, Masahiko, Komiyama, Kanki, Kam, Toh-Seok

Journal:

Journal of Natural Products

Year:

2007

Language:

english

File:

PDF, 48 KB

english, 2007

25

New Bisindole Alkaloids from Tabernaemontana corymbosa

Kam, Toh-Seok, Sim, Kooi-Mow, Pang, Huey-Shen

Journal:

Journal of Natural Products

Year:

2003

Language:

english

File:

PDF, 67 KB

english, 2003

26

Dippinine A, A New Alkaloid of the Chippiinetype From A Malayan Tabernaemontana

Kam, Toh-Seok, Sim, Kooi-Mow

Journal:

Natural Product Letters

Year:

1999

Language:

english

File:

PDF, 201 KB

english, 1999

27

A new amide alkaloid from the leaves of Piper sarmentosum

Sim, Kooi-Mow, Mak, Choon-Ngo, Ho, Li-Ping

Journal:

Journal of Asian Natural Products Research

Year:

2009

Language:

english

File:

PDF, 106 KB

english, 2009

28

A new carbazole alkaloid from the leaves of Malayan Murraya koenigii

Sim, Kooi-Mow, Teh, Hui-Ming

Journal:

Journal of Asian Natural Products Research

Year:

2011

Language:

english

File:

PDF, 87 KB

english, 2011

29

Inhibition of Enterovirus 71 (EV-71) Infections by a Novel Antiviral Peptide Derived from EV-71 Capsid Protein VP1

Tan, Chee Wah, Chan, Yoke Fun, Sim, Kooi Mow, Tan, Eng Lee, Poh, Chit Laa, Qiu, Jianming

Journal:

Year:

2012

Language:

english

File:

PDF, 2.25 MB

english, 2012

30

Synthesis, Characterization and Antibacterial Activity of Some New 1,2,4- Triazole Schiff bases and 1,2,4-triazolo[3,4-b][1,3,4]thiadiazines

Sim, Kooi-Mow, Chan, Pei-Qie, Boo, Xin-Lik, Heng, Ker-Sin, Lye, Kah-Whei, Teo, Kah-Cheng

Journal:

Letters in Organic Chemistry

Year:

2018

Language:

english

File:

PDF, 915 KB

english, 2018

31

Antimalarial Activity of Andrographis Paniculata Ness‘s N-hexane Extract and Its Major Compounds

Prakoso, Nurcahyo Iman, Zakiyah, Zahrah Nur, Liyanita, Arida, Rubiyanto, Dwiarso, Fitriastuti, Dhina, Ramadani, Arba Pramundita, Kamari, Azlan, Mow, Sim Kooi

Journal:

Language:

english

File:

PDF, 442 KB

english