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Organic Chemistry
23 Nov 2008 02:58:55 IST
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screwed up..end sem paper doubt..IIT kgp...help..
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hey janta...pls help me...tomoro is my end sem exam n i have no clue abt butane gauche interactions in 1,2 dimethycyclohexane...pls help me...iit end sems are also like jee...i dunno wat will happen..pls help me...mail me on gaurav3sharma@gmail.com pls janta hel help...
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23 Nov 2008 04:25:25 IST
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In boat formation crowding takes place.The most crowding is when the Three axial bonds have atoms on same side of the molecule. Due to the this boat form changes to chair form.
In di substituted cyclohexanes will assume chair conformation containing both substituents in equatorial orentiation.
23 Nov 2008 04:34:25 IST
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In newman's projection angle between teo methyl groups are seperated by 600 angle is called guach conformer.
There is more steric strain on gauche conformer as methyl groups are together. Steric strain in guache conformer is called guache interaction.
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Axial bonds are perpendicular to the plane of the ring
Equatiorial bond are in the plane of the ring.