Lab Report- Exp 1 Diels Alder Reaction

In s t ea d ofh yd r olyzin gt h ea n h yd r id et h

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: zin g t h e a n h yd r id e t h a t you m a d e in t h e p r eviou s exp er im en t , we will h yd r olyze m a leic a n h yd r id e it s elf in t h is exp er im en t . O O O O OH H 2O OH O PRE­EXPERIMENT AS S IGNMENT S t u d y t h is ch a p t er of t h e m a n u a l, t h e lect u r e n ot es on t h e Ch em is t r y Dep a r t m en t web s it e, a n d tDiels-Alder Reactionyd r olys is of ca r b oxylic a cid h e s ect ion s on h Post Lab: d er iva t ives in you r lect u r e t ext b ook . Do t h e fir s t p a rt s of you r n ot eb ook 1. Reaction of 1,3-cyclohexadiene and maleic acid yields the product as seen in Photo 1 writeu p . 5. Predict the Diels-Alder product of each of the following reactions: a. …As seen in Photo 1 A s t u d e n t w h o h a s p re p are d fo r t h e Hy d ro ly s i s o f Ma le ic An h y d ri d e b. …As seen in Photo 1 e x p e ri m e n t s h o u ld be a ble t o : c. …As seen in Photo 1 7. The compound shown fails to react as a Diels-Alder diene because the double bonds are s1 . Defin e a n d / or id en t ify: r eflu x a n d a n h yd rid e, a n d b e p rep a red t o give trans to each other instead of s-cis, which is required in Diels-Alder dienes. If the diene is exa m p les of t h e la t t er . not in s-cis conformation, there will not be proper overlap of the diene’s p-orbitals with 2 . Give a b a la n ced equ a t ion for t h e h yd r olys is of m a leic a n h yd r id e (a4n d of the p-orbitals of the dienophile during cycloaddition, therefore no reaction occurs. a n y oth er a n h yd r id e). 3 . Ca lcu la t e t h e t h eor et ica l yield a n dmechanism is concerted and h is anot s im ila r 8. Polar solvents are not required because the t h e p er cen t yield for t does n d involve exp erintermediate; therefore no chargey d a t a , a n d p er for m a n y of t h e in t er m ed ia t e an im en t s given t h e n eces s a r requires solvation. 4 ca lcu la t ion s r equ ir ed b y t h is p r oces s . 4 . Dr a w t h e s t r u ct u r e given t h e n a mLab Mechanisms a m e fr om t h e s t r u ct u r e, Photo 1: Post e, or give t h e n of t h e com p ou n d s u s ed in t h e d a y's exp erim en t , a n d give t h e role of ea ch (r ea ct a n t , s olven t , ca t a lys t , et c.). 5 . Id en t ify a n d exp la in s a fet y con s id er a t ion s for t h is exp er im en t . 6 . Per for m t h e d a y's exp er im en t s s a fely a n d s u cces s fu lly....
View Full Document

Ask a homework question - tutors are online