Cyclocondensations <strong>of</strong> 3-Arylthio-1-silyloxy -1,3-butadienes with 3-Oxo- orthoesters”. 6. Muhammad Imran, Inam Iqbal, and Peter Langer*, submitted to Tetrahedron Lett. ‘’Regioselective Synthesis <strong>of</strong> 4-Arylthio-2-hydroxy-homophthalates by [4+2] Cycloaddition <strong>of</strong> 3-Arylthio-1-trimethylsiloxy-1,3-butadienes with Dimethyl allene- 1,3-dicarboxylate’’. 7. Muhammad Imran, Inam Iqbal, Nasir Rasool, Muhammad A. Rashid, Peter Langer*, Synlett 2008, 2708-2710 ‘’Regioselective Synthesis <strong>of</strong> 2- Thiophenoxybenzoates by the First Catalytic [3+3] Cyclocondensations <strong>of</strong> 1- Trimethylsilyloxy-3-thiophenoxy-1,3-butadienes with 1,1,3,3-Tetramethoxypropane”. 8. Muhammad A. Rashid, Nasir Rasool, Inam Iqbal, Imran Iqbal, Peter Langer*, Tetrahedron Lett. 2008, 49, 2466-2468. “Regioselective Synthesis <strong>of</strong> Functionalized 2-(Phenylthio)benzoates by ′[3+3] Cyclization / Homo-Michael′ Reactions <strong>of</strong> 1- Methoxy-1-trimethylsilyloxy-3-phenylthio-1,3-butadienes with 1,1- Diacylcyclopropanes”. 9. Mirza A. Yawer, Ibrar Hussain, Inam Iqbal, Anke Spannenberg, Peter Langer*, Tetrahedron Lett. 2008, 49, 4467-4469. “Synthesis <strong>of</strong> Functionalized Dibenzo[b,d]pyrid-6-ones based on a [3+3]-Cyclocondensation / Lactamization Strategy”. 10. Mirza Arfan Yawer, Ibrar Hussain, Stefanie Reim, Zafar Ahmed, Ehsan Ullah, Inam Iqbal, Christine Fischer, Helmut Reinke, Helmar Görls, and Peter Langer*, 98
Tetrahedron 2007, 63, 12562-12575. “Regioselective Synthesis <strong>of</strong> 4- Chlorophenols, 10-Chloro-7-hydroxy-6H-benzo[c]chromen-6-ones and 4-Chloro-1- hydroxy-9H-fluoren-9-ones based on [3+3] Cyclizations <strong>of</strong> 1,3-Bis(silyloxy)-1,3- dienes with 2-Chloro-3-silyloxy-2-en-1-ones”. 99
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Synthesis of functionalized 2-(aryl
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The ink of the scholar is more holy
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Affectionately Dedicated to “All
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Table of Contents 03 List of used a
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RCM Ring Closing Metathesis TBAI Te
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humans: 1) the thiomethyl of methio
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Chart 3. Structure of sumatriptan S
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disulfide (DADS) and diallyl sulfid
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1. Synthesis of functionalized 2-(a
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3-Arylthio-1-trimethylsilyloxy-1,3-
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under kinetic reaction control, by
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l a u 4-FC6H4 H Me H 40 m a v 4-FC6
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Table 2. Synthesis of thioxanthones
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3a O OSiMe 3 O OMe + Me Me Cl 3TiO
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Table 3. Synthesis of 8a-x 3 7 8 Ar
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Cl + SPh OSiMe 3 3a 9 O OMe O O H i
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solution. The use of an excess (1.5
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Table 4. Synthesis of 12a-r 3 11 12
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2.3 Conclusion In conclusion, I hav
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aromatization). An unseparable 1:2
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Table 5. Synthesis of arenes 14a-l
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3.3 Conclusion In conclusion, I hav
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Mass Spectroscopy: AMD MS40, AMD 40
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131.0 (ArCH), 132.7, 134.0, 135.9,
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(EI, 70 eV): m/z (%): 380 (100), 21
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- Page 53 and 54: 15.4, 16.9, 18.9 (CH3), 28.3 (CH2),
- Page 55 and 56: (C). IR (neat): ν̃ = 2945 (w), 29
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- Page 59 and 60: 135.4, 139.2, 143.8, 146.5, 182.2 (
- Page 61 and 62: Me S O Me Ph Br Methyl 4-methyl-5-(
- Page 63 and 64: 35 Cl, 37 Cl, 61), 430 (M + , 35 Cl
- Page 65 and 66: ArH). 13 C NMR (62 MHz, CDCl3): δ
- Page 67 and 68: Me S O Me Me Methyl 4,6-dimethyl-5-
- Page 69 and 70: S Methyl 4-methyl-5-(2-bromoethyl)-
- Page 71 and 72: (CH2CH3), 33.3 (CH2), 40.1 (CH2), 5
- Page 73 and 74: Me 3,4-Dimethyl-2-phenylsulfanyl-be
- Page 75 and 76: Me 3,4-Dimethyl-2-(p-tolylsulfanyl)
- Page 77 and 78: OCH3), 7.08-7.17 (m, 7H, Ar); 13 C
- Page 79 and 80: (w), 750 (s), 732 (s), 688 (s), 650
- Page 81 and 82: 35 Cl 35 Cl, 100), 359 (26), 357 (3
- Page 83 and 84: 2924 (w), 2853 (w), 1728 (s), 1712
- Page 85 and 86: Me 3-Hydroxy-5-(4-methylphenylsulfa
- Page 87 and 88: Et 3-Hydroxy-5-(4-ethylphenylsulfan
- Page 89 and 90: (13), 264 (13), 262 (36) ,260 (12),
- Page 91 and 92: MS (EI, 70 eV): m/z (%) = 337 (16),
- Page 93 and 94: OH O 5'-Hydroxy-[1,1';3',1'']terphe
- Page 95 and 96: Refrences 1. Handbook of Chemistry
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- Page 99 and 100: Nationality Pakistan Place of Birth
- Page 101: Publications 1. Inam Iqbal, Muhamma