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Showing 1 - 25 of 27 matches in All Departments

Credo - Fundamental Christian Beliefs (Paperback): Kepler Thomas S Credo - Fundamental Christian Beliefs (Paperback)
Kepler Thomas S; Introduction by H D Bollinger, H. C. Brown
R309 Discovery Miles 3 090
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Modern Synthetic Methods 1986 - Conference Papers of the International Seminar on Modern Synthetic Methods 1986, Interlaken,... Modern Synthetic Methods 1986 - Conference Papers of the International Seminar on Modern Synthetic Methods 1986, Interlaken, April 17th/18th 1986 (Paperback, Softcover reprint of the original 1st ed. 1986)
R. Scheffold; Assisted by H. C. Brown, M. Demuth, G. Helmchen, K. Schaffner, …
R2,795 Discovery Miles 27 950
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In the tricyclooctanone approach to polyquinane syntheses[ll the photochemical rearrangement of bicyclo[2.2.2]octenone, 1a 2a,[2J has been the initial key reaction providing tricyclo- 2 [3.3.0.0 ' S]octan-3-one as a chiral building block.[3-SJ This reaction - an oxadi-n-methane (ODPM) process - and the 1,3-acyl shift (AS) forming the cyclobutanone 3 are quite generally the characteristic re- arrangement paths undergone by ~,~-unsaturated ketones (~,~-UKs) upon triplet sensitization and direct excitation with ultraviolet light, respectively. R' R' hv hv R~O ~ ~ (sens) WO ~ R ONR R 1a-c 2a-c 3a-c a R=R'=H b R = CH , R'= H 3 c R = R'= CH 3 As a polyvalent building block, the enantiomers of which are readily accessible from cheap bulk chemicals such as benzene and its derivatives, the parent system 1a and three younger generations of its class (Sections 3.1. - 3.4.) have no equal among synthetically useful photochemical rearrangements. 2. THE PHOTOCHEMISTRY OF ~,~-UNSATURATED KETONES The literature dealing with the spectroscopy and photo- chemistry of ~,~-UKs has been exhaustively and critically reviewed around 1975 by Dauben et al.[6l and Houk,[7J and in 1980 by Schuster.[ SlI1 The 1,3-AS was first observed on direct excitation of 1) For more recent papers on i3,~-UK photochemistry see [9-24]. 64 ~ R' hv ~o hv .,.

Flame (Paperback): H. C. Brown Flame (Paperback)
H. C. Brown
R356 Discovery Miles 3 560
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Reno (Paperback): H. C. Brown Reno (Paperback)
H. C. Brown
R327 Discovery Miles 3 270
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Club Depravity - Collection (Paperback): H. C. Brown Club Depravity - Collection (Paperback)
H. C. Brown
R266 Discovery Miles 2 660
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Nox (Paperback): H. C. Brown Nox (Paperback)
H. C. Brown
R270 Discovery Miles 2 700
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Cops 'n' Floggers - Collection (Paperback): H. C. Brown Cops 'n' Floggers - Collection (Paperback)
H. C. Brown
R269 Discovery Miles 2 690
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One Night in a Dungeon - Anthology (Paperback): H. C. Brown, Tamsin Baker, Dylan McEwan One Night in a Dungeon - Anthology (Paperback)
H. C. Brown, Tamsin Baker, Dylan McEwan
R243 Discovery Miles 2 430
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Tall, Dark 'n' Texan - The thrilling adventure of a girl, a hurricane, and a sexy Texas cowboy (Paperback): H. C.... Tall, Dark 'n' Texan - The thrilling adventure of a girl, a hurricane, and a sexy Texas cowboy (Paperback)
H. C. Brown
R273 Discovery Miles 2 730
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Insatiable (Paperback): H. C. Brown Insatiable (Paperback)
H. C. Brown
R239 Discovery Miles 2 390
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Bite Me (Paperback): H. C. Brown Bite Me (Paperback)
H. C. Brown
R237 Discovery Miles 2 370
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Arjun's Pups (Paperback): H. C. Brown Arjun's Pups (Paperback)
H. C. Brown
R271 Discovery Miles 2 710
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Club Depravity - Books 3 & 4 - Taming His Pup & Jackson (Paperback): H. C. Brown Club Depravity - Books 3 & 4 - Taming His Pup & Jackson (Paperback)
H. C. Brown
R268 Discovery Miles 2 680
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Club Depravity - Books 5 & 6 - Trust & Subspace (Paperback): H. C. Brown Club Depravity - Books 5 & 6 - Trust & Subspace (Paperback)
H. C. Brown
R271 Discovery Miles 2 710
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Floggers - Collection (Paperback): H. C. Brown Floggers - Collection (Paperback)
H. C. Brown
R331 Discovery Miles 3 310
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The Pride Brothers Collection - Volume One - Coming Out With Pride & Claws (Paperback): H. C. Brown The Pride Brothers Collection - Volume One - Coming Out With Pride & Claws (Paperback)
H. C. Brown
R318 Discovery Miles 3 180
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The Mackenzie - The Complete Trilogy (Paperback): H. C. Brown The Mackenzie - The Complete Trilogy (Paperback)
H. C. Brown
R692 Discovery Miles 6 920
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Roar (Paperback): H. C. Brown Roar (Paperback)
H. C. Brown
R261 Discovery Miles 2 610
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Slave of the Beast (Paperback): H. C. Brown Slave of the Beast (Paperback)
H. C. Brown
R328 Discovery Miles 3 280
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Highlander in the Mist (Paperback): H. C. Brown Highlander in the Mist (Paperback)
H. C. Brown
R295 Discovery Miles 2 950
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Purr-fect Lust (Paperback): H. C. Brown Purr-fect Lust (Paperback)
H. C. Brown
R268 Discovery Miles 2 680
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Down and Dirty in Rio & Melting Down Under - Combo Paperback (Paperback): H. C. Brown Down and Dirty in Rio & Melting Down Under - Combo Paperback (Paperback)
H. C. Brown
R267 Discovery Miles 2 670
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Time Slip Lover (Paperback): H. C. Brown Time Slip Lover (Paperback)
H. C. Brown
R264 Discovery Miles 2 640
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Pride (Paperback): H. C. Brown Pride (Paperback)
H. C. Brown
R293 Discovery Miles 2 930
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Rock 'n' Leather (Paperback): H. C. Brown Rock 'n' Leather (Paperback)
H. C. Brown
R296 Discovery Miles 2 960
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